Maths-
General
Easy
Question
In
D is s point on
and AB = AD. Then
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJ4AAABXCAYAAAD1YvwHAAAQj0lEQVR4nO2dW1Bc933HP+fs2T175yJgESzitixIICmVQAUNIlSu3UxqJ62TNLeZdiYzfchDOtM+9KkPbpu3ZjqdtjN1x0nqOp1J+iDZlq1aipHkyIouWAJJgGQJJJCQuC+7y8JezrUPFtiJJQeLheVyPsMMM3D4n/+c893f/3f7/xFM0zRZBvNpZTmXWVgsCzHXE7DYmljCs8gJlvAscoIlPIucYAnPIidI2R7Q63Rke0iLdUS2shuWxbPICZbwLHKCJTyLnGAJzyInWMKzyAmW8CxygiU8i5xgCc8iJ1jCs8gJlvAscoIlPIuckPVa7WZDV9Komo5pdyNLAqKQ6xltDiyL9zvIxB7Q3fV/3JxS0Ixl7RKwWAaW8D4Tk6kPT/DjH/8vJy/1k85Y+06yhSW8J2AaOnpymoHbGh5XjHeOnSGayqBZRi8rWMJ7AoamMHf3Q4S9h+noOEDk7FHOjaZIWcrLCpbwnoCqaQzcn8Aem8DmDrCzbI43jpxlLJLI9dQ2BZbwHodpkJq5w+2xDDVNzXR0HuKLLU0o97oZHItjxRgrR8j2hu5N0fpu6CiqQmIhg9frQTR10sl5kqqAy+PG63Zt2bRKtlrfrTze4xBF7A6ZfMmBKIqAhEey4zJBFK1cXjawhPdYBARBwGb7xE9sNssvySLWs3wCqqoyMTFBIpFAVdVcT2fTYQnvCcTjcV555RWOHj3K7Oxsrqez6bCCi8cwOTnJW2+9hSzL1NTUcPPmTRobG2lqasLj8Tzy+7Ym2QouLOF9Al3XmZmZobe3l7KyMmRZJhqNUlhYyMDAAF6vl1AoRGFhIX6/H0HYelGGtaE7y5imSSaT4dixY9TW1tLU1EQ4HGZychKfz8cLL7xAOBzm5MmTnDt3DlVVMQyDZX5uLX4Ly+I9YmxsjF//+tfs37+f8vJyHA4HgiBw79497t27R3t7O5qmkU6n6enpYWxsjF27dhEKhfB6vbme/pphLbVZwjRNotEoFy5cIBQKUVNTgyRJS8toIpFgcHCQ0tJSAoEAgiCQyWS4f/8+Y2NjxGIx9uzZQ3l5ObIsb/rl11pqs4Cu68Tjcd58801qa2sJh8PY7fbfEI/X62Xbtm2Mjo6i6zqiKOJyuaivr+fgwYOEQiFef/11RkZGSCaTKIpiLb/LYMsmkBct3alTpzh8+DBlZWWPtVaCIJCXl0d/f/+nBOVwOGhoaKCsrIy+vj76+/upq6ujsbERSdqyj3ZZbNmlNhKJ8Pbbb9Pe3k4wGESW5SdeqygKDx48YGpqir179+JyuX7j94ZhkEwmmZub4+TJkxQVFXHw4EF8Ph8Ox8Z4HsvF8vGeEl3XiUQiXLp0ibq6Ourr65fll2maxokTJ2hubqa0tPSx1xiGQSqV4uzZs+i6TlVVFWVlZfj9/k1jAS0f7ylJp9McP36cxsZGwuHw5woGamtrmZqaeuLvRVHE7Xbz3HPP0dbWxvT0ND/5yU+IxWLZmPqmYstYPNM0GR8f57333qOtrW0pQfx5/j6RSHDr1i1qamooLCz8TNHquk46nWZkZITLly+zc+dOKioqKCkpwfbJ7oMNhrXUfgaapjE9PU1eXh5OpxOAaDRKd3c31dXVhEKhp1r6TNOkv78fXdfZs2fPskpnpmkyNTXFnTt3mJycpLa2lpqaGtxu94YsvVlL7RNYrEBcvXqVq1evkslkSKVSvPbaa4RCIRoaGp7a3xIEgWAwyMDAwLKrFoIgEAgEaGtr45lnnuHdd9/l9OnTZDIZDMN4qnlsBjaVxVNVlZGREbxeL7Isc/HiRTRNQ9d1KisraWxs/FzL6+PIZDIMDAzgdDqpqalZsqjLYTGw6enpIZ1O09DQQHV19YrntJZYFu8xiKKIx+Ph4sWLqKpKVVUVQ0NDZDIZduzYkZV72O126uvrGR0d/dx9ejabjZKSElpbW9m9ezdDQ0P09vYSiURIJpNbygJuKosHHwcBR48eJRqNcujQIZxOJ8PDwxw4cIBAILDie2QyGfr6+iguLiYYDK4oWBgYGODKlSvU19cTCoXw+/3Y7fYVz3G1sCzeZ6DrOoqiIEkSTqeThoYG2tvbcbvdWRl/sWJx584d4vH4isYKh8O8+OKL5Ofn8/Of/5wrV65sCcu3ObKafBxUxGIxTp06xbPPPovL5eLSpUsUFBQQCASyksRVVRVFUTAMA1VVGR4eXmoqcDgcn9tfs9vtSJJETU0NX/3qV7lx4wY9PT3IskxFRQV5eXmbsvFg0yy1mqYxNjbG9evXaW5upqSkBFEUmZubY3x8nOrq6qyUr2KxGDdv3kTTNOLxOENDQ+zatQtZlqmqqqKysnJF4xuGQSQS4ciRI1RXV9PW1obb7cZms60LAVp5vE9gGAYLCwu8+uqrPP/881RVVS29JNM0MU0zazkz0zTRdX3p++joKLOzszQ2NmYtN2eaJpqm8atf/YqrV6/y7W9/O2sWe6VYwnuErutMTk5y8eJFWlpaKC4u/lwpjqdhUcyGYTAzM8PAwACtra24XK6sJoUTiQSxWIyhoSEURSEcDlNZWZnTxPOW39C9+PJjsRgffPABjY2NBAKBNesGuXHjBmNjY6RSKUZGRpidnaWpqYmdO3dm7R4+nw+Px0NhYSH9/f1cvnwZRVHYvn07TqdzQ3e+bFiLp+s6sViMY8eO0dHRQW1t7Zrc97dZbInq6uqis7OT/Pz8VbvXzMwMXV1diKK4VG8WRXFNfb8tvdRqmkY0GuX999+npaWFkpKSnGb/dV3nwoULlJaWEgqFVu0+mqahqiqRSITe3l4Mw6CzsxOv17tmjQdbMo+36HRHo1GOHDnCvn37KC4uznnJSRRFGhoamJ2dJZlMrlrruyRJuFwugsEgra2t7Nixg66uLsbHx4nH4xsq/7dhfLxPOvOXP+jm8B90PqpCCCiqiiTZ0DUNEBFEAcE0QBARRBFxlZeixfZ4u93O9PT0iqsZn8I0UTX90YFBApqmkV9QgM/vp6S4iNNn3qOoqIiWlmby8vKw2WzrvvPF9tJLL720nAsVTV/WgA5pdUz+ok934sQJ9u9tRFoY49T5Xm7cHGJ2wWBbwM/d7tPcGEvi9XqJjd5kdE7A63bhsK/+MiSKIpqmMTg4mOXI08QwVG5d+CUzFJDvNOg/38VgBPJ9TozEOKa3Eo/fzdn3TpNOpSgqKvrUpqVssVwd/C42hPBUVWVycpJz587R0dFBvs/Gze6rJAQHsbF+7kxKFC9c5nQkRFC7xVs91xh7qBEdOMeYr5b60tXf9yoIAna7nfv37+P3+5FlOStWT0mnmLx9iVf+82dQEkYafIvL5hfImzjPOwOzTEzMkDdxlrvU8ceHDxCPxxm8fRtFUfD7/VkPPrIlvHVtjxd9uomJCbq7u9m9ezclJSW4PEXs/dI3+c43/4T95aVsD7rpfvca2/eEyC90cvvt09yLqzjcTtDW7qQnh8PB/v376evrQ1FW7oSbukoqPs31kQUKXClmx2/xy+MfEmiso7BE5ubxEwzNJHHk5ZHnclBYVMSBlhYCgQB9fX2cP3+eeDxOOp1ed1su17XwFvvXXn75ZSKRCBUVFUiShMPlpSDPjpm5T99MCRX5dkYnFQoKBJweN/majfD+Kur+8Bs8t6d8zeYrSRIejwdZllfcPACgp2NM3RvAWb4Lj01CicUYiYjk54k4PTLbHAKt7XsRG7/OM21hJD72NycnJ8lkMvz0pz9laGgIVVXXlfjWbXChKAozMzNcuXKF733ve0xOTjI8PEx9fT2SJKGrGrM3BhHrGykrnifPY0dRQM3oqM4C6hoaqMt345DW9rNls9kIBoNEIhHy8/NX1BEzPzXAiXcuEnH0cav/DnKmBFkzSWdMtLSG7i6kMlRPjUvCafvIx3z48CEPHjzgu9/9LrIs09zcTF9fHyMjIzQ1NVFaWrouTjxYdxbPNE1UVSUajXLmzBmampoIBoMEg0FmZmaWPrW6pnNnNE5TuJBtpeXs27ONB3fjpGPziHs7COe7kO22NT82VhRFSktLmZqaIpVKrWwsbw3PfOXLdPz+71Fb7KZuTxvtex2MDUdJziZw7W6j0ifjtNuwiQKGYfDw4UOKioooKirC5/NRXFxMc3MztbW19PT0cO3aNWKxWM4t4LqzeIu11+7ubtrb25c6hx0OB4lEYqlUppmwYPezx+ukKE+m7Wtf4+Hxc9xyefizb7SSJwrYTJO1frSCIOB0OgkGg/T393Po0KGnti6+ogp2FgUJ6wrK8DXc+/azr6SG1989w6CjjBe/cgAfJo++ME0TRVEQRfE3ROXz+aivr6e6upr333+f48ePc/DgQcrKypYOJ1prC7iuKheKojA9PU1XV9dSwX+xHjk3N8fp06d5/vnnkSQJw9BJJlO4XC5sNgFT10mmUmimDdnhwCnntot3fn6e3t5edu/evRRdPj0myWQam03AbhNJJlMYoh3Z4UB2fGw7NE3j1q1bCILArl27Pj3Ko57FmZkZhoaGSCaTtLW1EQgEkGV5WXPclCUzTdN44403mJ6eXtqws0gmk2F+fp6CgoJ1nxyFj1JAi4f8rFZO7bcxDIP5+XkcDsdnduhomsbCwgLpdJpkMklnZyctLS2IAmiaSiI2S1LREUQ7sk0ir8CP9Kgdf8MKz9A/2vWl6SaCAKJoQ7RJ2ESBddDnuOVQVRVN03A6nWhKktnhHo6fvoqnPMz2fJnZO2M8+/Wv4PF/lAvdoG1RJrGx23R3X+V+XMVptxOoqKNx724CPgf2NY5ALT5uvRcEmLlzkX//hx8yve+v+dvWVspc8EBJY7dl3yKs8ZsWcLjcZPrf4L9PXMfvMTj3Pz/i7195h0QqvbZTsVjiIzdA5e71K5y/+ZDy0C78bjdOt4fK/S1Iq9CEseZRrWiaiOjMJjJgdyOrs9y+N4GqZqcUY/E0mGAaJBJzLCQVHLKMKAiIkoSj4LPPiHlacrK2mYZGOjLM8V+8xuV4Cd964RDOdXDmytZFAMFBWXAH27fJPLw/QlpVMQ0DNZ3CXIV2q5zk8QTRhrOwnBe+9SUenPkZ//Fvr9Kx7+/wumU26jlKpq7yYOgGd++Pozu8OF0+yiuCBIoKcEjCqrdmrRyR6uZn+avvz3Ckt4vuKxLhgItoAlr27cq6YVhz4RkAgg23U8btKyQ/z40ggLTe38sy0KY/5OUf/SvbnvsbnvG9x6v/tcCX/uIveXZvOT7X+j8fxVsY5ODXvk/FgXEymQyip5jQ9tX5hzJrHtWqmTRC6Rfo3G3j7q1rGMXt/NM//hE7/N4Na+0ABJsdU1PJzEfRHUXUt36R+1d+yEv//DP2/MsP8Lpk1vtnS7DZcXkLCO8sWPV7rbHwBHyBGg5/5we0KQY2EWyShM0uI69Bs+Za4nQVUl1RyMjZ60yk01SxDuuTOWTNn4Vkl5HsMtk5xWT9YhgGmqYjez24RNu6t3ZrjZWxzRam+dH+DpsNAYN0corBB2naOjsIeJ0b2o1YDSzrnyUMXSGaSOLeVoYy+gEnTyjYWv6cH/3plynOX/+BxVqzrpoENjKmobOQiDOfmMeQnIiCgCzLeP1+JIFNU4fesE0CFhubLbmh22LzYAnPIidYwrPICZbwLHKCJTyLnGAJzyInWMKzyAlZr1xkK89jsbn5f4d3bOcuUKkuAAAAAElFTkSuQmCC)
- AB > CD
- AB = CD
- AB < CD
- cannot decide
The correct answer is: AB > CD
cannot decide
Related Questions to study
Maths-
In the figure AB = AC and BC = BD. A, B, D are collinear and
= 30° then
=
![](data:image/png;base64,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)
In the figure AB = AC and BC = BD. A, B, D are collinear and
= 30° then
=
![](data:image/png;base64,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)
Maths-General
maths-
In the figure, AB = BC = CD = DE = EF and AF = AE. Then
=
![](data:image/png;base64,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)
In the figure, AB = BC = CD = DE = EF and AF = AE. Then
=
![](data:image/png;base64,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)
maths-General
maths-
In figure,
Then
![](data:image/png;base64,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)
In figure,
Then
![](data:image/png;base64,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)
maths-General
Maths-
In the figure, x° and y° are two exterior angles of ΔABC Then x° + y° is
![](data:image/png;base64,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)
In the figure, x° and y° are two exterior angles of ΔABC Then x° + y° is
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKkAAABbCAYAAAAIj6U9AAASgUlEQVR4nO2de1BUZ5qHn9N9uhvobu4oqBg0aMSN14FgVNTAKBrwEleNiZearSRbU3GrtqZiMtlMrbtTWTc1aqZiapxJJtZooZMESx3KsIoDJgSiKImsGm9RwQvIRZBLc+mmu8/59g+D6yUqSkPT9nn+7dPnvOf077zf916+ryUhhGhzOPEnWr79nI92HOW8S8bgcmMYMJjps1fwj8kR3jbNh6ij4Lfvse2agfip/8QbL40mqJeuJPmjSDV8C523DdDQeBCaSDX6PZpINfo9mkg1+j2aSDX6PZpINfo9mkg1+j2aSDX6PZpINfo98sMcbAkw9pYd/RvRSfWZr1mx6FUiF/43f/jtciL0/veGe6sy6W/P+ZFwtLZTW36RZxOiqfn27+Qfa8DtVr1tlt+gifSBCOztV7lUF8TLS1PRNVewd98h7G4F4W3T/ARNpPdFgHBy9Vw5DZHR1IRNYdxg+P6rXdS32jWR9hGaSO+DUBWaKg6z/2A1cQljSExMYsbU8QR31rOvrJI2pzbk9wUP1arnb4GTUBWc7Y04hYxisGA1QtP167S02gkIH0iY2USQUe9tM/sMbwVOmkg1uo0W3Wto3ANNpN3E7XZz8eJFzpw5g6pqc9G+RBNpN3E4HGzbto3t27djs9kQQovt+4qHqjj5K0II6urqyM3NpaGhgaFDh/KLX/wCk8nkbdP8As2TdoOmpiby8vJoaGjA5XKRm5tLS0uLNuz3EZpIH4AQgqqqKrZs2cKUKVN48cUXOXXqFGVlZTgcDm+b5xdow/0DUBSFnTt3Ul9fz4YNGwgPD6eiooK1a9fyxBNPkJCQ4G0TH3s0T3ofXC4XhYWFFBQUkJyczOjRo4mLi2Pu3LmcO3eO/Px8Ojs7vW3mY48m0nsghMBut5OdnY3NZmPFihUEBwcTHBxMamoqQ4YMoaCggHPnzmmRfi+jifQeKIpCZWUlBw8eZNq0acyePftmNB8VFcXq1au5dOkS2dnZWgDVy2givQd1dXV8+OGHhISE8PLLL2MwGJAkCQCj0Uh6ejqjRo0iPz+f+vp6nE5tq6LeQhPpT+B2uzl69Ch/+9vfmD17NiNGjLjtc1mWCQsLY/HixXR2drJ582ZaW1u9ZO3jjybSOxBC0NTUxJ49ezAYDGRkZDBw4MC7jpMkicmTJzNt2jTef/99Tp486QVr/QNNpHcghGDPnj0cP36c5cuXEx8ff89jo6KimDVrFm63m71793L9+vU+tNR/0ER6C4qi0NbWxhdffIHRaOS1114jKOjeu24ajUaSkpKYM2cOpaWlfPfdd31orf+gifQWHA4HxcXFnD59mnnz5vHkk09iNN6/hzY0NJR3332X5uZmduzYgcvl0lJSHkYT6S1cvXqVN998k7FjxzJ79uyb0fz9MBgMDBs2jJSUFIqLizly5Ah2u70PrPUfNJH+SFtbG/v376eyspLU1FSGDx/ere/pdDqMRiNz584lNjaW9evXa3NTD6OJ9EfKy8spLCwkJiaGmTNnYrFYHur7kyZNIiUlhaKiIo4cOaLlTT2IJtIfyc3N5ezZs6xbt45BgwZ1a6i/FbPZTGZmJhaLhdzcXC5fvtxLlvoffi/Szs5OysvL2bNnD6NGjSI1NfWRmpl1Oh3Dhw/njTfeoKysjMOHD/eCtf6J34u0vb2djz76CKfTSUZGBlarFVl+tA7G4OBglixZQkREBH/5y19oaGjA7XZ72GL/w+9FevbsWbKyskhKSup2RH8vZFkmKiqKadOmUVNTwyeffEJ7e7sHrfVP/FqkNTU17N27F6fTSWZmJpGRkT0+pyzLLF26lLi4OHJycqiurtbypj3Er0X6ww8/cODAATIyMkhMTHxg4r47SJJEfHw8L774IpWVlRQVFdHS0uIBa/0XvxSpEAK3201WVhYdHR28/fbbHvGiXRgMBlJSUhg/fjxZWVmUl5d77Nz+iF+KtKOjg9zcXEpKSkhOTmbYsGGPHCzdi+joaFatWkVdXR27d+/WyqU9wO9E2tWKt3XrVkJDQ1mwYAGBgYHodJ59FEFBQSQmJjJmzBjy8/O1BH8P8DuRulwuvv/+e44cOUJaWhozZszwuEDhRt40LCyMhQsX0t7eztatW2lra9O86SPgdyKtrKxk27ZthIaGsnjxYgICAnrtWrIsM3fuXCZOnEhxcTFXrlzR8qaPgN+IVAiBoigUFxfz3Xff8eqrrzJ48OBe8aJd6HQ6rFbrzS15srKyqK+v77XrPa74jUgVRaGmpoasrCwiIiKYP38+YWFhvX5dvV5PQkIC6enp7N69m9LSUhRF6fXrPk74jUjtdjtbtmyhtraWtLQ0Bg8ejF7fN7s0R0ZGMn/+fHQ6Hbt27aKxsVFbBv0Q+IVIFUXh2rVr5OXlER0dzbJlyzAYDH12fYPBwOjRo0lPT+fcuXPs3btXm5s+BD4tUlVRUBSFBwXMra2tFBYWcvnyZVauXEl8fHyfeVG4UYWyWCy8/vrruN1udu3ahc1m04b9buLTInV2NHGt9hpORb2vUM+cOcOHH35IcnIyU6ZMuW2jh77CYDAwatQoMjMzKSsro7S0VNuVr5v4pkiFC2E/z5f/U8yxCyf5tPgCNrvr7sOEoKOjg5ycHBobG1m0aBHR0dFeMPiGNzUYDDz//POMGTOGtWvXUlVV9YhnEwhVodPpwtF5930/bviMSFXFTXPtJS5XVnKtqYGqi2c4erEVk8lEbUMb6k+4UkVRKC0tpbS0lJEjR5KSkoLZbPaC9TeQJImRI0cyc+ZMzp07R15e3iO18iluF7ba85w5eoiT56/Qqgoe54mD74jU3UntyQI2f7SVA8e/5ZuKQJJGh+Bwm5kzKY7AO/5PSQiBw+Hgs88+o76+nl/+8pdERET0al60O4SEhJCeno7FYuHLL7+kvLy8W1Worjyvqqq4Ou2c3fdnKupq+X7vF5x2CFyPcSHLZ0SqNwQw/Nl5PBPeQE72KcYmJfHszFnMSBxDQkwoRvn2W+ns7OTq1ascOHCAiRMnMnPmTI+04vUUSZIYOnQob7/9NuXl5eTl5T0wHSUUO5XHC/jPf9/AV2Xnabp0lJzTUN2sEDAonlijhNy3U+w+xWdEKoSgs62dgMFPk2Ctoex0NYoCgSYjJlmH7o5A6Pr16/z+978nODiYxYsXY7Va+zSivxeSJBEQEMDChQsZPnw4u3bt4tKlS/ffjFeSiRg6jKjG01xtbKbVZuep+f/Cc8k/47nMaQzQS3j/znoPnxGp4nLyfVE+7VFP8cLz48jPyeFkddtP/gmtoiiUlJSQk5PD9OnTmTBhQr8QaBeyLBMREUF6ejrNzc0P3JVP0hkwmmOYt3QstUcLOVQXwOxJTzBy1FNEhwYjS/AYO1Lf2TNfNgWQNG8FkgSCZ9j0DJiMBnR3/DpCiJvLQlRVJSMjg6ioKO8YfQ8kSUKSJGbOnElJSQmff/45GRkZTJ069Z7fkWUj0RMWE178By62GAlBPNZD/K34jCeVJB0GUyCyMRCDMQCrOQBZL+F2u39M6N/wqUIIioqKOHXqFPPnz2f8+PH9Yi76UwwZMoTMzExaWlrYt28ftbW1P32gUFFUlU63kWGJk3l29DBkne6x9p634jOeFP5/H3u73Y7L5aK1tZW2tjYMBgNhYWE3S53bt29HVVXeeustrFZrnyfuu0tgYCBTp04lMTGRgoIC0tLSCA0Nve0YnU6HThK01Zzn79/+gGSKZtLoQej1PuNfekyviVQIgaqqSJLkkbSPEAKn00lxcTGbNm3ixIkTNDU1ERgYCNzYnTkiIoK4uLibrXhxcXEeXxbiSSRJIjw8nDVr1rBq1So2b96M0Wi8WdeXZRmLxcLAAZGYVBWnK4jEyWMYFKS7a5rTU9xuN3q9vl++0L3yC9rtdi5evMj27duJjIxk5cqVPV7o1tnZyb59+/j4449paGhgyZIlxMTEEBYWhsvloq6ujtOnT3PgwAGefvppMjIyvFL+fFhMJhNjxowhMTGRoqIiDh8+zJQpU7BYLDdf7vKKizQ3NTEw0sIAk4reg7fkdDqpqKhg69atPPnkkyxYsICQkJB+NUXyqEhdLhcdHR1UVFTwu9/9joMHD5KSksKCBQt6LNKOjg527dpFVVUVa9asIS0tDbPZjCzLCCFobGwkKyuL3NxcZs2axbhx4/q9QOFGv2lwcDDp6ekcO3aMr7/+miVLlhAbGwvcyFR0dHTQ0dFBfn4+V69GYTYHYjQaPXJ/qqpSU1NDQUEBOTk5VFZWsnLlSmJiYrxanbsVj05smpub2blzJy+99BL5+fmMGDGC5cuXExMT06PzqqpKa2srpaWlTJ06ldmzZxMWFkZAQACyLGMwGKipqaGwsJDw8HDmzp2L1Wr10F31PpIk8fOf/5yUlBRKSko4ceLEzamSLMsEBwczYMAAFi5cSHV1NZWVlR7rRzUajUycOJFFixahKArr16/nnXfe4eDBg/2mS6vHIu1aw3727FnWrFnD2rVrUVWVpUuXsnHjRqZPn97joaOlpYW8vDza2tqYPn06gYGBt3kRIQT79+/n4sWL/OY3v2Ho0KFeL38+LFarlWXLlhEUFMSOHTuorKy87fOuIkBsbKxHl6BIkoTVauWVV17hj3/8I2lpaRw5coR33nmHTZs2UV9fj8vl3SaWHg33iqJgs9koKSnh/fff58SJE7S0tDBnzhwmT55MQ0MDjY2NPR6WGhsb+eyzzzCbzTQ2NnLo0CHgxgPuqtFv2bIFk8lEcHAwR48e7dOmZk8ghKChoYHRo0dz4MABxo4dyzPPPHPXcTabjePHj+NwONDpdB6b0gghcLlcpKenc/78ec6ePct7773HpUuXWLp0KQkJCUgG7/x1uiSEEG2O7q0HtwTc7hEdDge5ubmsXr2a6upqXC4XkiQRHR2NLMsee4CKotDe3o4Q4uY8tAtVVbHb7dhsNkwm010pHF+iSyjNzc0YjUZCQ0NvJv5vPebWSNzT8+6u9saWlhbcbjeSJJGSksIHH3zAiIR/8Oi1ukuPPGnXLnI6nQ6DwYDb7cZgMGCxWDyen+xK1t95TqfTiaqqhIeHA/j02iEhBHq9nrCwMPR6PSaTqc97DoQQ1NbW3sjP6nSYzWYGDRpEREREn9lwJz0SqU6nY9y4cWzcuJG//vWvFBUV0dTURGJiIpmZmQwfPhyj0dir88PW1lauXLni0+L8KWRZxmw299mCQVVVsdlslJWV8emnn9LR0cHgwYNJS0vjtddeY8CAAXhrVVaPhvtbqaioIDs7mz/96U+4XC5mzJjBm2++yahRowgICPC5QMZfEEIghKC1tZV9+/axbt06qqqqiI+P51e/+hXp6ek3R8Xu6sTTeEykXWXKb775hnXr1nHhwgWsVivr16/nueeeIyQkxFM2a3gQt9tNY2MjGzZsIDs7G5fLRWpqKr/+9a+Jj4/HZDLddDDeEqnHkvkGg4GQkBDS0tIYOHAgW7dupbCwkJycHJKSkjwgUgGqgtPlwum6kb/TyQZk2XBXw7OvIhQXbmc7V69UUXXNRnB4BJZAFVNgDINjeicgVFWVCxcuUFpaSmRkJMuWLeOFF14gOjr6ZsnZ23i04qTX6zGbzSQlJTFkyBAmTJhAWFjYff/6sNsIUJ1tnCwtpaKmEZMlGEkfRNxTTzEidiAGvXRX47NvIXDY27nwTTZ/3l9L2ktLeSLAwd6tnxA08y1W9JJIJUkiNjaWBQsWMH78eJKTk2/znv0Bjw33d6L8uCa+K0r0zE0LjmX/llXr9vLqf66jrWAju89b+K9NG/lZbCgBvuxRVRdXTuzjX1euZsK/fczrL6QQJgvayr/inDqBpITe6YntmpN2VZfulzr0+eH+TvR6fS9EpRICCXenA4dLYkCkmY5jHbjcis/3VqqKk5pjBzl0DeZFhhBklNFLAnPcs4wVvdfs0ZVr7U+e8076bx/bPZAAlE4qjheS93UlT09eRExoEKqvr5YUAsXlRhECRVFBCNBJ6A1B6H3+FewZ/ff1uQ+yycK46Qt4Zcl4LuXvIOd/K7G7+kczxKOik00MHpfMMyEOzlc3YnPeGIadzXU0tfv3DtE+5EkFQnWjqG46XS5stjYGhoWgFxI6CWRPdwH3NZKeqFGpvPvBf7CzqIS8r4J4OlKiwWZgwiTvVXv6Az4kUhDuTpymgUya+iy0XOFMlUT6P69i/oShvp+GknQEWkIZl7aU2AkttLTYMFkjiE+wEmDsPytdvUGvRfcajx/eiu593P1o+AOaSDX6PZpINfo9DxU4eWtOouHfaJ5Uo9+jiVSj36OJVKPfo4lUo9/zf9Abg+c1RIJxAAAAAElFTkSuQmCC)
Maths-General
Maths-
In the figure,
is extended both sides up to D, E.
?
![](data:image/png;base64,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)
In the figure,
is extended both sides up to D, E.
?
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKQAAABeCAYAAACtvL8+AAAXb0lEQVR4nO2daXCVVZrHf+9y13CzJxCBCwlLWCNLEIRGhIYkBmxGUBS7u1S0+dC2Fu1YSE9pl9U9X3roKscZG6drqhsBYRgU1ISArJFFGiKkIRACAURCSCD7cvf7LvMhhAFlS3JvckO/v6pUUrn3Pefc9/7f55zznOc5R9B1XQdw+QIYGPQ0Yk83wMDgZuSOXtDHag5HOwweELra0xoW0iCiMARpEFEYgjSIKAxBGkQUhiANIgpDkCFC03S0NpeuQRcwBBkCNFWh+OQlKqtdPd2UXo8hyC6iq378TedZ+6f3KSy7hGEju0ZECFLXdXprb6cG/dSf3ktJ0U62bP2aFkVH622fRdfQVBVFUQgoGorWc03pcUEGfB48bjcej4eAovU6C9Pa2sKub+zMyRxIw9FdfH7Wja8nv9FOoAY8XDm8mRPHS/jz7u+oc/fct9CtgtRUFb+7mUAgeEN4JosVm92OzWbFJIkI3dYalYDXhaKonS9C89B6uZSWuGSGjh1LH6GavA3bcfn8IWlhd1laQTLjSM3E1dpKVYMPv/KPIkjFy9UrVwkC7YoUBBFRbPsRuk+NgIBssSGKna806K7ifIOJeTkTmL5gMbNGxnHuUAHV9V7Urnyn18cvXWhahxBlM5bYFHRdR9V7dsjR4eCKLlVm6YNz2HCE7lXeHRARu/g41nx7icbGJgaZY4iLEsiclcO1uDqqm1wMHxCHTe7E59Q1dMULmoZgcXStgb0QoaPxkOGJ9tHRdQ1N1RBFCaGrSkFDDbagKmbMVht3M71BVaOuJYDDJtPH2rHnM+BpRdNBtPZBRsXr9eL1BbA7YjCbZOTOfAxdRffUoQe9iLGDO1FA5wj4vZw5kMdZ2yPMnjCYOFvnjMYDE+2jKW5a667+4P/6TV2Iqir4A8r/T3x0He0O/YskOzBZrXevVNepuXaNj748QbATfazZ7sAa5cAsCSCI2OxRJCYmYLd0UowACCBIbT/diCxJDJs0i3kTU4gy91wPFiEW8k7oqKqKJkjIokDA66HVpxEXG4UkCOiaRlDTMUlSp8afuqbh9bqpaBFwJtixmzunIl3XaWlpwefz0bdv306VcVNpoGmoqoIgmRC73Fvcb7U6uuJFkO/eo9yLB8ZC3h4BSZKRRQEBMFltxMfYEa/fMEEUOy3GtusFbPY+pCVHYenMeO86qqqyYcMGVq5cidfrRdO64PbR24YvVVXV1Fy71n3+WV1HkK1dEmMoiHBBttF+i0RBaJuN3/xal+6fgCAImCUBqZNT2qamJjZv3szHH39MeXk5DQ0NXWkQIIDipbz4IDt37ETvLs+sKILQ83Lo1ln2g4amaZSUlPDaa6/hcrkYO3YsjY2NJCcnd76rFQQESzQ/fupnoW1sL6HnH4leTGtrK9u2bcPtdjN79mw8Hg/vvfceLpcRZNFZDEF2ga+//ppDhw4xY8YMli9fzvDhwzl48CDnz58nEDDSijuDIchOoGkafr+fLVu2cOXKFVasWMH48eN56aWXcLlcbNu2jebm5p5uZq/EEGQnCAQCnDx5koMHDzJt2jSmTp2K3W5nwoQJzJ8/n7/+9a8UFxf3dDN7JYYgO0FDQwPvvvsuSUlJLFq0CFmWEQSBuLg4FixYgCAIbNiwgbq6OvTeGlfXQxiC7CA+n4+ioiIOHjzIxIkTmTx58o3XbDYb48ePZ9KkSZSVlVFYWIiqdiGa6B8QQ5AdpLa2lh07dgAwf/58kpKSbnnd4XDw+uuv4/f7Wb9+PX5/aELR/lEwBNlBioqK2Lt3L2+88QYZGRk/eF2WZSZMmMDMmTMpLi7m6NGjhhuoAxiCvE8URaG6uprVq1cTFRXFz372MxyOH4aHiaKI3W7n6aefxul0snLlSmpqanqgxb0TQ5D3SSAQ4PPPP+fChQvMmDGD/v37YzbfPtBEEARGjx7Nk08+yb59+9i3bx+KonRzi3snhiDvk/r6etavX09KSgovvvgiJpPpru93OBzMmjULh8NBQUEBZ8+e7aaW9m4MQd4HTU1NFBYWcvHiRXJzc0lPT79n1LssywwdOpSlS5dy/vx59u3b102t7d0YgrwPampqWL16NUOGDCE3Nxer1XpfaRgOh4NXX32V2NhYNm7cSFNTk9F13wNDkPdA13Xy8/MpLy/ntddeY/Dg+08rkCSJ+Ph45syZQ1VVFatWraKlpSWMre39GIK8C6qqcuTIEbZu3UpqaiqZmZlYLJb7vl4QBCRJYt68eYwZM4YNGzZw+fJlY/XmLhiCvAvBYJD8/Hzq6up45plnSE5ORpI6nuuSnp7O3LlzqayspLCw0Ai8uAuGIO+Apmm0tLTw5ZdfMmLECJYsWYLdbu9UWVarlccee4z09HQ++eQTzpw5E+LWPjgYgrwDtbW1vP/++7hcLhYvXkxUVFSX8skfeugh3n33XWpra8nLy0NRFKPrvg2GIG+DpmmUl5ezbt06ZsyYQUZGRpez/+x2O5MnTyYjI4Pt27dTVFRkBPHeBkOQt8HlcrFjxw5cLhcLFy4kNTW1y2VKkkRMTAzZ2dn4/X7+/Oc/09LSYljJ72EI8jbs37+fwsJCpk2bxrhx40KWGy2KIk899RQZGRkcOnSIiooKIzztexiCvAlN0wgEAhQUFOD1elmxYgUOhyNkexG1B/G+/PLLiKLIhg0bjMCL72EI8iYCgQAnTpzgwIEDTJ8+nSlTpmCz2UJahyRJjBo1ipycHDZv3syxY8cMK3kThiBvoqamhnfeeYf4+Hjmzp2LJElh2aktKSmJ5557DkmS+PTTT2lubjbGktcxBHkdv9/P8ePHOXbsGNOmTWP8+PFhq8tkMjFixAhmzpxJWVkZBQUFxhr3dQxBXqe2tpadO3dis9l45plnSEhICFtdgiAQFRXFK6+8QjAYZMuWLbhcLqPrxhDkDb766it27drFsmXLGDx4cNh3HTOZTEycOJHc3FyOHj1KcXGxkX9DxG/Hdytq0IurtZ6j5S7GjRpElOSh5MBeiqtkJk+fypjUBOoulFB88jwu+vDwqDTqr1SRkDaCoakpSNd3UbulTFWlsbGR559/Hrfbzdq1axk4cOAdo8FDiaZpFBUV8dvf/ha3282aNWsYOnRo2OsNJw/4dny3IggKVeeKyfuqBJcviKe5AY8lDqXqKHsOniCg+ikuOsCJsgtU1zSye9t+vBYfx3YW0Oi7/dEjPp+PzZs3U1tby5w5cxg4cOA9o8FDhSiKDBs2jNmzZ3PmzBl2796Nx+PpWCG6jqpq+AMqmq6jqUGCfi8eXwBF1do2fFWD+H0+/P4AqqYRCCqoamSeFNGrBCnKduIHjcYsqSiqTmy/wUx/bCYTMoYzwGFC9V9m/99O02IbwORZP0JvqqehVSDBAdptzsLRNI2amhrWrl1LQkICzz77LCaTqVv3QI+LiyM3Nxe73U5hYSEVFRUdul7XFFrrLnHuciOKohHwNHP2+GH2Hz5FvduPoiq01ldw8vjfKSn9lsamWs6f+44mb5BIlGSvEiRAe6crCAJoQWpPbmfd/+zgituHaEnjzbffZIxSwof/sZk5Ly1kaEIiGdmLSLT/cJN7l8vFN998w/nz528sEXb3hvyiKOJ0Onnrrbc4ffo0O3fu7ND1nmtn+eyvH7Bu/3e4PR4ulh5mf3E5RRv/lY8LDlHZ2MyRLeso2L6Tr74pZc/2fNTqneRvPUidSsSJspcJ8laxCIKJxOFTeXHRdIJXL6CoEnFJTmbMX8SjtgoUez9GZ04gKT4aSfjh+LGyspKPPvqIqVOnkpWV1aHg21Bis9l4+umnGTBgAJs2beLSpUv3HXhhju7LmNREXF4FFYFE53hyn5zLgudmY/PW4649ycGTdcQOGsuPxj2E7nGjxA8kWg6G+VN1jl4lSF3XQNOQRRDQ0HQICnbSho0mY1hfdM2PL6hji4rCmT6WxGgLsiRhkoTvlaPj9/vJy8vj9OnT/PznP6dfv349dlyJLMskJSWRlZVFQ0MD69atw+123+e1ZmSTGRAQRBNJKQ/xUGIcUbKIc8hwYuKHMDPrEaqKtpFf4mLy9Km4/SlkzphCvPT9R7zn6VU76OqKH3dtBXHmIC1uN+crD7HjWCODUuJJHTEO6cLn/FehiwGDnIx84mkSrSak29xxTdMoLS1l586dOJ1OJk2aFPIlwo7QnuqQm5vLkSNHWLNmDbm5ucTFxXW4LE0N4Gm6wrHLg5iUNZSUWBt9cxYxzBnFx/kX0dOWMEkUMF33OBiC7AKCZKH/iEd5ZZCCzSIhpPyIBSkebH0c2M0CZiGZn/fzYbL1wW6zIt3Bl6goCl988QWtra0sW7aMxMTE7jvt4C4MHDiQefPmsWPHDnbt2oXT6SQxMfGu16hKENXvQwl4UYNerlz9jqJj5SSkDqe5uhL8CYgCKOZo+qfFkmCSMQmR2zX2LkGKMmaLTPxNQ70B9uhb3tPXGnPXMgKBADU1NWzdupXRo0czb968Hhs7fh+bzcaMGTOYNGkSW7duJTs7+56C1HzNVDT4MQWbUfQAJ3Z/wmeF5Vj6OEge/RiPOq5yuDmREQNTmJYzjWgh8qzizfQqx3goqKmp4YMPPuCTTz7hd7/7HQsXLowI69iO1+vlyJEjvPrqq8yePZv33nvvnu3T9bazGkRBaAvS0PXrx1PoqEE/Tc0eHDExWMzhtz//UI7xUHD27Fk+/vhjcnJymDJlSkSJEcBsNvPwww8zZswYCgsL2bNnD16v967XCILw/2f3CAKCKLb9FkQkk5W4+FjMpu49GayzRNa3ESJUVcXv9+P1evF4PHi9XgKBANeuXWPbtm34/X7mzp0bglO3Qk97qsP8+fMRRZGNGzficrk6HZ7WPmGKjANP702PjSHbb3Aob5Su6wSDQWpra6murqa1tRWfz4fFYiExMZHS0lIOHDjAY489xtixY7tlvboziKLIE088wcGDB9m+fTsXL14kJibmtjnh4nVrGA7C8R3dix4ZQ+q6js/nw+/343A4OpV8/31UVcXj8ZCXl8f69espKSlBlmUSEhJoaGi4YTHT0tLYuHEjTqczYiYzt0NRFIqLi1m8eDGPP/44zz///I0JjiAIREdH39iqxWazhXzooes6LpcLURQ7VH5Xx5DdaiHbc1bOnj3LF198gcvl4u233yY6OvreF9+D5uZmNm3axLp163A4HPz0pz8lNjaWqKgo6uvr2b17N+Xl5cyaNQun09ltARSdRZZlnE4nixYtYtOmTQwbNozs7OwbwqiurkZVVSorK7FarYwYMQKLxRIyYaqqypo1a6ioqCA7O5tJkyZht9uR5fBKptsEqSgKbrebU6dO8c4773D27Fmio6NZvnx5SMq/evUqH3zwASkpKSxfvpzp06ffuHmVlZUcO3aMkSNHMmfOnIi2jDcTHx/PwoULycvL49SpU7z00kskJSUhiiK6rqMoClVVVZw6dQpZlhk5cmRIBXngwAH+9re/sXv3bt58802ysrKIjo4O61Cn2yY1NTU1bNiwgSVLlnD69GkyMzP56KOPbrstcmcoKyujrq6OnJwcJkyYcOOoDk3TOHnyJEeOHGHOnDlMmTIlJPV1ByaTifT0dKZPn05ZWRn5+fkEg21r0IIgIMsyAwYMYOrUqdTW1oY0wNdkMvGHP/yBefPmUVtby/Lly/njH//Id999F9b8n7BaSF3X8Xq9nDp1itWrV7N37178fj8vv/wyCxYsID09HUmSunacL9DS0sLx48cJBoNkZmZis9nafHO6zuXLl8nPzyclJYWf/OQn2Gy2LtfXnZjNZl555RVKS0vJy8tjwYIFiKJ4Y9wtCAJWq5X4+Hi+/fZbBg8eTFRUVJfr1XWdvn378sYbbzBq1Cg+/PBDPv30U86fP8+LL77ItGnTiImJCfnYNayCbGlpobS0lN/85jeUlJQgCALPPvssM2bMQNd1zp07F5J6rl69yuHDh4mKiiIQCFBaWnpjZnj48GG2bdvG3Llzqaur4+TJkyGps7to9xyMHTuWTZs2kZ+fz6hRo24Zy2mahs/no6CggOzs7JCMyW8uOyMjgxdeeIE//elPbN++ndOnT7NixQpycnJITk4OWV0Q5ln2xo0bWbZsGfX19TcSmCRJCrmrQtd1NE1D07QbXXU77Zs6Ce1nbfcSf9z3UVUVTdPuev80TbvuEA/tZ2zvbdrbIAgCMTEx/OpXv+L3v//9Le+N6Fn22LFjycjIoKioCLfbjdlspn///iQlJYV9YqHrOm63G4/H80DlPEuShN1u7/TWgJ1BURSampqorKykpaUFs9mM0+lk1qxZIa8rrIIcPHgwH374IX/5y1/YvHkzDQ0NpKWl8cILL5Cenk5sbCwQHsdr+xPd/nQ/SMiy3C1Lnu0PdUVFBZ9//jl1dXXYbDaysrL45S9/yfDhw0NeZ9gd4+1O8M8++4xVq1Zx/PhxJk6cyNKlS3nqqaewWq0Rt54cqbQ/XG0PsEA4Rx/tY9fDhw+zatUqduzYQb9+/ViyZAlLliwhNjb2tgsaXe2yu2Wlpt3rf/HiRVauXMn+/fuRJIklS5bw+uuvh3QQ/qCiqQECPh/NLj8mixWb1YrNGj7nfvt21u2brI4aNYq33nqLRx55BIfDccdxbK8QZDter5fq6mrWrl3L3r17URSFgoKCTkVG34qOp6mGKxUVNGs20FTsNhv9nIPoYzVhlnqvBdZ1DdXXQnnJNxwurSF15AiiRR+t1a08/k85Yas3GAyydOlSysrKGDduHEuXLmVIWio2q5Xg9fRaQRARJBmLWb4RDB2Bk5q2GW/A50MXBBAk0DVkkwmL1UZqaiq//vWv+fGPf0xjY2PIJjdBXwsl//N7NrZOYk5GPGcOfM2QxW/x/OOjMNt7sSDVIC0XdvGf/74F6yPPsmDcGGiq5My5C2GtVxAEfvGLX9Dc3My4ceNITk5Gdddz5vhxLlxtxW6zIpvNyI5+TM4YgmQOzT0OuSB1TcNTd4ntm/+XS34HAwYOQAvqjJ74CMMGp2A3iTgcDiZPnoymaSFahhKQAKtSR61bIq7/CNKkNXy6s5isiUOIs0f2uvWd0VECbr5a89+caUpg8YRHscomzElOMp+MD2vNkiSRmZl5429RFBFkGfvVr1j29mH+7f3f8XCCyp6iE4wf6cRqDs09DrnpEAQB0RaP98J+dh+7gjNtEPrFPfzxvb+wt6ymLbJZFDGbzSGe0OgIuoq3uZqjB3dx9Fo00yYOx9KLu2sAXfNTc7UBTQfZbGm7v7KMHBMb1noFQcBsNmM2m2/EUwq0eSs8rW4aGmu4UqOQNWcalhCJEcKxli2IgIAW9KHqYI1KIHPkQC6f3MOm7X9HBcLmhNF1JEsfhqSnEyc2c7q0HE1Tw1dfNyDIUQwbmYqgBWmuu0ogEMDvDxAM9EBedfscJtjCkYL/Zc/pVvoP7I8sm0J2j8NuPiRJJC4+Fj3op66qCp8eRkEKIrLFwYDUMTz5o4Ec3nuI8rqWXixIAZPJxqMvvEHOmHhKvtrKhYpKvj13huN/L+uhJglgiefRrCeYnOZA97ppVdpy5ENB2MPPVFWjrq4B2Wpn0LChWMOS9aYTDHi5Foihj1rH6b8fwF2dyC9ffY4x/WIjOsvuXgiijCXpYZb8879Qda0Rsx7EHptMX2f3u8pURSEY8KMrAQRrP4alxVP05U76zMrm4dgoQpG1E3pB6jpoQQRzH8yiTmtzAxcr6kmd+CSLskeF6QkQsCek8uRb/8VMzYyuaVhkEXtcInaLuVcLEkFAMttJ7j+YxBQniqIgSVJIouw7iq4pNKmxTH90JIHWei6creXUuUaezQqdkQm5H1LXVHwtdXyzfxcVbhv9B/Yj4A0ydMw4BvWNRe7dcwyDexCBjnEdTVXx+3xotKViApjMZmRZ6t3WyuCeRKBjXECUZGxRfUJftMEDj9GBGkQUHbaQXTXJBgZ3w7CQBhGFIUiDiMIQpEFEYQjSIKIwBGkQURiCNIgoDEEaRBSGIA0iiv8DKm/Uv1a34/EAAAAASUVORK5CYII=)
Maths-General
Maths-
In the figure,
is extended up to D. If
and ![Error converting from MathML to accessible text.](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure,
is extended up to D. If
and ![Error converting from MathML to accessible text.](data:image/png;base64,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)
![](data:image/png;base64,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)
Maths-General
Maths-
In the figure,
and
then
?
![](data:image/png;base64,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)
In the figure,
and
then
?
![](data:image/png;base64,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)
Maths-General
Maths-
The lines
, m n are such that
then
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAHoAAABbCAYAAAC8qZF3AAAK1UlEQVR4nO2dW2wU1xmAv9mZXa+9a6/X4Msae23jK8QW0AZiE5IalwQUAbk4D5WqNGpCxEPVJO1LVMQrEklQlYcilYQ8pBHJA6kqcmkLpGCiKAioQ80tMcY3sI3vu+x6vZeZndMHGqdKINgEmB3vfE+WbO/8s9+cc/45V0kIIfgBpmKJH/q1hUmwGR2Axb3BEp0mWKLTBEt0mmCJThMs0WmCJTpNsESnCZboNEG5Ux/kdjru1EdZ/Ahu1pN5x0SnCrquo+s6kiRhs9mQJMnokFKCeSVaCMHU1BSXLl1CCEF1dTU5OTlGh5USzKs2OpFI8OGHH7Jp0yY2bdpEe3s7txizSRvmhWhd14nFYuzfv59XX32VsbExxsfH+fLLL0kmk5Zs5oFoXdcJhUK0tbXx2muv0dvbiyRJeL1e2trauHbtmiWaeSBa0zQOHTrEli1b0DSNvLw8cnJyaGhooL+/n1OnTpFMJo0O03BMK1oIgaqqfPLJJ+zatYvs7GxaW1vx+Xw0NTXxxBNPIMsyBw4cQFVVo8M1HFOLDofD7N27l+zsbHbu3EleXh5CCFpaWmhpacHr9XLmzBkCgQC6rhsdsqGYVrQkSbhcLp577jleeeUV1q9fz/DwMKqq0tzcTFVVFY2NjYyOjjI0NJT21bepRTscDjZs2MCaNWuw2Wz09/eTl5dHeXk5siyzdu1ahBAcPXqUUChkdMiGYlrR8G2pzszMRNd1+vr68Pv9OJ1OJEmitraWF154gZqaGhyO9O6inRc9Y8lkksnJSYaHh9mwYQOKoiBJEsXFxbz88ss4HI607wqdF6Knp6c5duwYiqJQVlaGLMtIkoQsyzM/pzvzQnQkEuHIkSMUFRWxaNGiGbGW4G9J6TZa6BrJRJRoXEXVbv56FIlEOH78OKWlpZSUlNzDCM1DSotORkOMnz7A/kOnuBKM3/TvRkZGCAQCVFRU4PP57mGE5iGlq+7QtTE+2LOff1FFQVER/gWLkSX4boU8PDxMNBrF7/eTmZlpSKypTuqWaKEy0fc1B8dq+GmxxvmuXqbVJN8dn1BVlYGBAeLxOGVlZShKSj+7hpGiogUkg/ReHsK3cSOPN5YT6fuK3nAc/TumQ6EQ/f39JJNJ/H4/siwbFHNqk5KPvxCCYO/XnPn3ScLRHvZ1hui+HEX7/FGqNyxGyVBIJBIEAgFOnDhBe3s7dXV15ObmWpn2TUhZ0X0XzxB0VPDrzY/idgi6v/iIv378d8Z/tpVFdplAIMDu3bt57733GBsbo6KiAk3TEEJYsm9ASlbdQgjaT3yFu7qRhx9qpLGxiYdbmqgdO8jFK2HUpODixYvs3buXaDRKJBKhs7OTnp6etB+luhkpWaJtNpmnfrcDWZax/y/LLqhq5g97H8CZk4ddsc2U3G+mCkmSZM0k+QFSskRLkkSe14Mnxz0ToNOdjWdhARkOBZsElZWVPP3006iqisfj4dlnn6Wurg6bLSVvyXCkO7W1xb2ewK9pGpOTk6xZs4YVK1bw5ptv4na70z7rvpkv0z7+iUSC06dPI4SgsrISt9ttleYfICXb6NkQi8U4fvw4LpeLysrKtC/Jt8K0RSAajXLy5Em8Xi81NTVGh5PymFZ0KBRiaGiIgoICqqqqjA4n5TGt6EAgwMTEBOXl5WRnZxsdTspjStHJZJLx8XGCwSA1NTXY7XajQ0p5TCk6Go3S29tLLBazRM8SU4oOBoNcuHCB8vJyiouLrb7tWWBa0Z2dnaxatYrMzExL9CwwpeiBgQGuXr3K6tWrycrKMjocU2BK0efPn0eWZZYuXZr2E/Nni+lECyE4d+4cLpcLn89nJWKzxFSihRBEo1G6urpwuVx4vV6rf3uWmOpbUlWVc+fOEQ6Hyc/Px+PxWKJniam+pUQiQUdHB7quU1dXh91utzLuWWI60WfPnkVRFJYtW2ZJngOmEh2Px+nv7ycrK8sSPUdMJToWizE4OEhpaSkLFy40OhxTYRrRuq4TiUS4evUqS5cunVnsbjE7TCM6Ho/T3d1NOBxmyZIl1vvzHDGN6FAoxKlTp1iwYMHMHiUWs8c0osPhMO3t7dTU1JCTk2NV23PENKJHR0fp6uqioaHB2rH3NjCN6G+W29TW1uJyuYwOx3SYQrQQgkuXLiFJEmVlZdaI1W2Q8vO6hRAkEgl6e3ux2Wz4fL60WuwuhJhZUyZJ0m3nJilfopPJJL29vYyMjOByuSgqKjJ1xj3XhYDBYJADBw7Q0dFBJBK57eumdNGIRCIMDg5y9OhRBgYGqK2tNWVHia7rTE1NceXKFUZHR1m4cCF+vx+Px3PL/w2Hwxw+fJju7m62bNnCgw8+SGFh4ZzPC0lp0V1dXezYsYNPP/0UXdepr69nenradKI1TePYsWPs2rWL06dP09DQwLZt22hubr7lvTidTtavX8/rr7/O9u3baW1tZevWrfh8vjnlKim9mnL37t1s376dkpIS+vr6cDgcNDU14XQ67/i17ia6rtPR0UEgECArK4vJyUkWL15MdXX1LZshXddJJBKMjo7S09ODpmn4/X7eeustVq5c+b3x+JQ7DkmNx7h8/iSXhoLEhQ1ZceCvW0ZF8QLcGdfD+ma8OZFIIITA6XSSSJjvhHpN07DZbGiaxvj4OHA9sYrH47OaOKGq6sxCf1VVSSQSTE9PzykGA0XHOfnRXzg0nE1FST7i2mU+buth6+9/xfLC62E1NjbS3NzMiRMnKC0t5ZlnnmHdunWme73SNI0zZ87w9ttv093dTUlJCS+99BL19fW3rLpVVSUYDLJv3z7GxsaorKzkxRdfpKGhYU6zawxsoyV03cmSxnU81VKPM/of/rTzc3pGoywvvD6Fd8mSJbzzzjsMDw/jcrnweDymnVVy3333sXnzZiYmJigsLCQjI2NWr4mDg4Ps2bOHw4cPs3HjRrZt20ZBQcGcH3YDRQuEiHHp5BE+GL+ANnye/oUP8fj/rZez2+0oikJFRcXMbr1mxW63k5GRMTOhcbYPa1ZWFvX19SxfvpzHHnuMwsLC28pRDM66ZfLK61i+vBJlOp/A345xuvNnNJYvmNkGUpKkedNBYrNd32RHT6qoqkZSF0g2BYfDjiLfuBrOy8vj+eefx+l0zuxDfjsYWnUjZVBcXsP9jSvJVKs423aUwaERBFXf2+9zviCSGlMjPZz7uoehiRg5iypZUV9NvifrhvesKAput/tHN1eGibbJNrJzFY4efJ/L7f/EISWJZzfy5Jra1O+uu010LUZw4CxvvPEBhT95gFqfg+7P3qc/0MqTa1eQ77qxjjuRkxgmWrHbaWr9DbWPRJhOJJFkhfyiYrzeXKNCuuto8Wtc+PwgHbkt7Fq3ilKvndqCTD67PI1+l7dIM060I4MCfyUFRgVgAGpsgqHhACsfWY0n140zU6J02c/55bK7f+35keWYBJvNjizbiU5rJLUkQpfQ1RiBGCiKnVzX3esfmK/NYUqiZHipqCikq+0wA0ODjIwMc/6Lf7Dn3Y+5dpfPX7NK9D3E7vSweOUj3H/kj7z755N4PQ6G+gZp+sVvcTvuroqUHtSYdwhBUlOZmppiOhxgIqzhzc8nN8eFw+HAbvvx2fXNfFmiDSKpaQjAJitINzgn5HZJudGrdEe+x719d+xqsy35FsZgZd1pgiU6TbBEpwmW6DTBEp0mWKLTBEt0mmCJThMs0WnCfwHnkCCNzt8G6AAAAABJRU5ErkJggg==)
The lines
, m n are such that
then
![](data:image/png;base64,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)
Maths-General
maths-
In the figure,
?
![](data:image/png;base64,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)
In the figure,
?
![](data:image/png;base64,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)
maths-General
maths-
In the figure, p||q||r. Then
?
![](data:image/png;base64,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)
In the figure, p||q||r. Then
?
![](data:image/png;base64,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)
maths-General
maths-
In the figure,
and
bisects
![Error converting from MathML to accessible text.](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure,
and
bisects
![Error converting from MathML to accessible text.](data:image/png;base64,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)
![](data:image/png;base64,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)
maths-General
maths-
According to the figure, which of the following is true ?
![](data:image/png;base64,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)
According to the figure, which of the following is true ?
![](data:image/png;base64,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)
maths-General
maths-
In the figure, Find the value of x
![](data:image/png;base64,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)
In the figure, Find the value of x
![](data:image/png;base64,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)
maths-General
Maths-
In the given figure, p||q and r is transversal to p,q If ![angle 2 colon angle 3 equals 7 colon 3 text then end text angle 4 minus angle 7 equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
In the given figure, p||q and r is transversal to p,q If ![angle 2 colon angle 3 equals 7 colon 3 text then end text angle 4 minus angle 7 equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
Maths-General
Maths-
From the figure,
Then ( x – y)
![](data:image/png;base64,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)
From the figure,
Then ( x – y)
![](data:image/png;base64,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)
Maths-General