Maths-
General
Easy
Question
In a triangle ABC bisector of
meets the side AB at D and circum circle at E. The maximum value of CD.DE is
The correct answer is: ![fraction numerator c to the power of 2 end exponent over denominator 4 end fraction](data:image/png;base64,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)
Related Questions to study
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, AB = AC,
A = 48° and
ACD = 18°. Then
![](data:image/png;base64,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)
In figure, AB = AC,
A = 48° and
ACD = 18°. Then
![](data:image/png;base64,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)
Maths-General
Maths-
In the figure, x° and y° are two exterior angles of
ABC . Then x° + y° is
![](data:image/png;base64,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)
In the figure, x° and y° are two exterior angles of
ABC . Then x° + y° is
![](data:image/png;base64,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)
Maths-General
Maths-
In the figure,
is extended both sides upto D, E. ![angle B A C equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure,
is extended both sides upto D, E. ![angle B A C equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
Maths-General
Maths-
In the figure,
is extended upto D. If
and
then
![](data:image/png;base64,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)
In the figure,
is extended upto D. If
and
then
![](data:image/png;base64,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)
Maths-General
Maths-
The lines
are such that
then
![](data:image/png;base64,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)
The lines
are such that
then
![](data:image/png;base64,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)
Maths-General
Maths-
In the figure, ![stack B C with bar on top parallel to stack D E with bar on top comma angle A C B equals 60 to the power of ring operator end exponent comma angle A E D equals 80 to the power of ring operator end exponent text and end text angle B A C equals 90 to the power of ring operator end exponent. text Then end text angle B A E equals ?](data:image/png;base64,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)
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAANcAAADDCAYAAAAROoQ4AAAe30lEQVR4nO3deVxU5f4H8M8wwy6KqCwKikAgSbinuWulqeUSrvy0MgzXtJLSmy2W+83U61KZSyJipia5QGrBdUtBI1cQF7ZUUBEFkWVgzvn+/rjxJAnKcs6cWZ7368XrVTPMOV+H+cw55znPoiIiAsdxkrNQugCOM1U8XBwnEx4ujpMJDxfHyYSHi+NkwsPFcTLh4eI4mfBwyUDMXIN+DSzh0GcZrgpKV8MphYdLcgIufx+JUz6d4JsYjk2ndUoXxCmEh0tqujOI/P48AkYtxuvPZiBywyEUKV0TpwgeLolpj2/BD+kdETSiK0aM6Ym8Xeux967SVXFK4OGSVCFiN/+InB7BGNlCA7dhY9GPfsbGH/6EqHRpnN7xcEnpXjQi9uajY+9AFFy5hEs5fujT3QpHNkXgIr/0Mjsq3iteKiJufjcM/m/FoFBtARV7nCCILTHj0Dl82c1awfo4feNHLqmIf2LHljjYBG9HrlYLbflPwVHMfCoDP2w4iAKla+T0iodLIsKlrYg84YhBo/vB4eEnrDpg3OhncCdqI3bd4lde5oSHSxI6nN6yDWdcBmNMX/t/PKeB///9H7qUHsR3kemKVMcpg19zcZxM+JGL42TCw8VxMuHh4jiZaJQuwNRs3rwZhYWFCAgIwHPPPQeNhr/F5or/5SVCRAgNDcX69evZY23atMH27dvh6+urYGWcUnhroURWrlyJGTNmPPJ4p06dkJCQAJVKVcmrOFPGwyUBQRDg4uKC3NxceHp6orS0FFlZWez52NhY9O3bV8EKOSXwBg0JzJ07F7m5uXBwcICfnx+ysrLg7u6OFi1aAAD69euHRYsWQRD4sGSzQlyd/PTTTwSAANCePXvo7t271KpVKwJAXbp0oddee4093717d0pLS1O6ZE5PeLjqICUlhRwcHAgAffLJJ+zxtLQ0cnZ2JgA0atQo2rlzJzVq1IgAkIODA23atIlEUVSwck4feLhq6f79++Tv708AaODAgSQIQoXnExISyNbWlgDQ7NmzKSsri1566SV2FBs+fDjduXNHoeo5feDhqgVRFCkoKIgAkLe3N929e7fS34uKiiKVSkUAaO3atSSKIq1evZpsbGwIALm5udGBAwf0XD2nLzxctbBkyRICQHZ2dnT27NnH/u6KFSsIAKnVaoqJiSEiouTkZGrfvj07ik2fPp2Kior0UTqnRzxcNXTw4EGysLAgAPT9999X6zXTp08nAFSvXj06c+YMERFptVr617/+xY5sTz/9NJ0+fVrO0jk94+GqgfT0dNYw8d5771X7dTqdjgYPHkwAqFmzZnTt2jX23JEjR6hFixYEgCwtLWnJkiWk0+nkKJ/TMx6uaioqKqJ27doRAOrduzeVlZXV6PUPHjygjh07EgAKDAyk/Px89lx+fj69/vrr7DSxV69elJGRIfU/gdMzHq5qEEWR3a9yd3enW7du1Wo7N2/eJE9PTwJA/fv3p9LS0grP79ixgxo2bEgAqH79+rRlyxbeZG/EeLiqYc2aNQSArKysKCEhoU7bSk5OJkdHRwJAEyZMeCQ8169fpxdffJEdxUaNGlVlayRn2Hi4nuDYsWOk0WgIAK1bt06SbcbFxZGlpSUBoIULFz7yvCAI9J///Iesra3Z0TI2NlaSfXP6w8P1GFlZWeTq6koAKDQ0VNJtR0REsKPT1q1bK/2dCxcuUNu2bdnvvfvuu1RcXCxpHZx8eLiqoNVqqVu3bgSAnn32WSopKZF8H59//jk73Tx8+HClv1NSUkKzZs1iTfYBAQFPvLfGGQYeripMnTqVAJCzs3OFpnMpiaJI48ePJwDUsGFDSklJqfJ3Dx06RM2bN2dhXLp06SNdrjjDwsNViU2bNrFeFYcOHZJ1X6WlpfTCCy8QAPLy8npsS2ReXh6NHTuWnSb26dOH/vzzT1nr42qPh+sfEhMTWd+/5cuX62WfeXl5FBAQQACoc+fOVFhY+Njf37ZtG2txdHR0rHZPEU6/eLgekpOTw3pLBAcH6/UeU2ZmJrm5uREAGjZs2BN7aVy7do369u3LjmLBwcF07949PVXLVQcP1190Oh07PQsMDKQHDx7ovYbExESyt7evdvcqQRBo2bJlrMnew8OD/vvf/+qhUq46eLj+Mnv2bHaadfXqVcXqiI6OZh2DV61aVa3XnDt3jp555hkCQCqVisLCwmRp3eRqhoeLiHbu3Mk+mOXDQpT09ddfEwCysLCg3bt3V+s1JSUlFBYWxprsAwMD6fz58zJXyj2O2YcrKSmJ6tWrRwBo3rx5SpfDvP/++2zM2KlTp6r9uri4OHJ3dycAZG1tTcuXL+dN9gox63Dl5eWRr68vAaDBgwcb1IdQEAQaMWIEASAXFxdKT0+v9mvv3r1LY8aMYY0dzz//vGz36riqmW24BEGgIUOGEADy9fWlvLw8pUt6RFFREXXt2pUAkL+/f41bA7du3UoNGjRgN6l/+OEHmSrlKmO24Zo/fz4BIHt7e0pKSlK6nCrl5OSQj48Pu2ms1Wpr9PrMzEzq3bs3O4qNGzfOIL9ITJFZhismJoZd+O/YsUPpcp7o8uXLbAT0uHHjanz/TRAEWrp0KVlZWREAatGiBR05ckSmarlyZheuq1evst4Ns2bNUrqcavvtt9/Y/ayH50isiTNnzlDr1q1Zy+isWbNqfCTkqs+swlVYWEiBgYEEgF544YUaD9VX2vbt29np3XfffVerbRQXF9O7777LttO2bVuDPi02ZmYTLlEUKTg4mJ0W5eTkKF1Srfz73/8mAKTRaOjXX3+t9XZ++eUXatasGQEgGxsbWrlypUG1lpoCswlX+fyBNjY2lJiYqHQ5tSaKIk2aNInNs1GXG8W5ubk0cuRIdhTr168f3bhxQ8JqzZtZhOvQoUOkVqsJAG3atEnpcuqsrKyMBg4cyPoT1iUQoihSREQE1a9fnwCQk5MT7dy5U8JqzZfJh+vatWtsUYQpU6YoXY5kCgoK2FRv7du3p4KCgjptLyMjg3r27MmOYm+88UaF6d+4mjPpcJWUlFDnzp0JAHXt2tXkWsZu3LhBHh4eBIAGDRpU5wYanU5HS5YsYZPneHp60tGjRyWq1vyYdLgmTpxIAMjV1dVkryXOnTvHTukmT54syRi0P/74g55++mnWefjDDz80uS8mfTDZcK1fv561qpn6t+8vv/zCpn/74osvJNlmUVERm+O+/NTz4sWLkmzbXJhkuBISElhvhNWrVytdjl5s3LiRBWH79u2SbffgwYPUtGlTAkC2tra0evVqPgtwNZlcuG7dusWGXLz22mtm9UH4+OOP2VCT3377TbLt3rlzh4YPH87CO2DAAMrOzpZs+6bKpMJVVlbGOqm2a9fO7Na8EkWRzQ7VuHFjunLliqTbDg8PZ8vUNmrUiHbt2iXZ9k2RSYVr5syZ7F5NTcY/mRKtVsu+YHx8fCTviZKWlsYmSwVAISEhdP/+fUn3YSpMJlzbtm1jrVsHDx5UuhxF3b17l63X3K1bN8mnwNbpdLRw4ULWiOLl5UXHjx+XdB+mwCTCde7cObKzsyMAtGjRIqXLMQjp6ens5vnIkSNl6TeYmJhIrVq1Yl9qH3/88SPLIpkzow/XvXv3yNvbmwBQUFCQWTVgPMnJkyfJ1tZW1uE1hYWFNG3aNHaa2KlTJ7p06ZIs+zI2Rh0uQRBYHzt/f39+7l+Jn376iQ0M/eabb2Tbz88//8xWhLGzs6Ovv/7a7L/ojDpcn376KQEgBweHxy5iYO5WrlzJTt2io6Nl209OTg4NGzaMHcUGDRpEN2/elG1/hs5ow7V37172R4yKilK6HIP3zjvvsDlD/vjjD9n2I4oibdy4kU1X16RJk2rPvWhqjDJcly9fZrMazZkzR+lyjIJOp2NHFTc3N8rMzJR1f6mpqWzmKgD01ltv1bnnvrExunAVFBSweSD69+//xAULuL8VFhayUQIBAQGyzwJVVlZG8+bNY032Pj4+dOLECVn3aUiMKlyiKLKRsy1btqTc3FylSzI6t27dopYtW7J5RPTRdH7y5Ek2+aparaZPP/3U6OYvqQ2jCtfSpUtZB9IzZ84oXY7RSklJoYYNGxIAGj9+vF5a9R48eECTJ09mp4mdO3emy5cvy75fJRlNuGJjY9nqH1u2bFG6HKN3+PBhNnJAn3Pk79u3j93ctrOzo2+//dZkm+yNIlyZmZnUuHFjAkAzZsxQuhyTERkZyY4kERERetvv7du32VTi5fP0P265WmNl8OEqLi6mjh07EgDq2bMn714jsQULFhAAsrS01OvCeaIo0rp169hif87OzrRv3z697V8fDDpcD69237RpU7O+ISkXURRpwoQJbOG/5ORkve7/ypUrrAUTAE2aNEmRVT3lYNDh+uabb9i3qjk14epbaWkp9evXj01Ko+8vsbKyMpo7dy6b/s7X15dOnjyp1xrkYLDhOn78OJuFSM4+cdz/5Ofns6m+O3XqpMjRIz4+nq3ootFo6PPPPzfqJnuDDFd2djabtyEkJMRkW5MMzbVr19j7PmTIEEVu0BcUFFBoaCg7TXzuuecUXaO6LgwuXKWlpdSjRw8CQB07dpR8oB/3eKdPn2b9AqdPn65YHXv27KEmTZoQAKpXrx5t2LDB6L5kDS5c5dN5NW7cWPb+b1zlfv75Z3b9s2LFCsXquHnzJr388svsKDZ06FCjWkDDoMIVERHBhkbExcUpXY5ZW7t2LVvHS8lRB6Io0jfffMNGmru6ulJMTIxi9dSEwYTr9OnTbNTs0qVLlS6HI6LZs2ez7mYJCQmK1nLp0iXq1KkTO4pNnTqVCgsLFa3pSQwiXLm5uawz6ahRo4zu3NpUCYJAo0ePZuOyUlNTFa2ntLSUPvnkE9YNrlWrVvT7778rWtPjKB4unU5H/fv3Z8MgTOUGoqkoLi6m7t27EwDy8/MziJEIx48fZ/OmaDQaWrBggUEOPVI8XHPmzCEA1KBBA5PvJW2s7ty5w4aM9OrVi0pKSpQuiQoKCljPkvIp5NLS0pQuqwJFwxUVFcXenL179ypZCvcEV69eZZ2ng4ODDebUPSoqitXl4OBAmzZtMpjaFAvXxYsX2dTIc+fOVaoMrgZOnDhBNjY2Bje9QnZ2Ng0YMIB9UQcFBdGdO3eULkuZcOXn57PJJF9++WW+0LUR2blzJ5uqbf369UqXw4iiSF999RVrcXZzc6P9+/crWpPewyWKIpsoxcfHh+7du6fvErg6+vLLL9mQ/QMHDihdTgUpKSnUoUMHdhR7++23FVuQQ+/hWrRoERuFWpeV6DnliKJIU6dOZdc5Z8+eVbqkCkpLS2nOnDmsyd7f31/W6eSqotdwHThwgP2Dt23bps9dcxLT6XT0yiuvEAByd3en69evK13SI44dO8bun1paWtLixYv12mSvt3ClpaWRk5MTAaCZM2fqa7ecjB48eMBOwdq2bWuQ04nn5+ezAbcAqEePHnpbXkov4SosLKS2bdsSAOrTp49Rj9HhKsrKyqLmzZsTAHrppZcM9m/7448/UqNGjQgA1a9fnzZv3ix7k73s4RJFkcaNG0cAyMPDg27fvi33Ljk9u3DhApsBOTQ01GDuM/1TVlYW6w0EgEaMGEG5ubl06dIlOnz4MF28eFHS2mUP16pVq9g6vaYwdLvmdJRx5jTdNMwvdMnExsaykeOLFy9WupwqiaJIq1atYvfryifIKf8ZPXq0ZB2CZQ3X0aNH2VTGGzZskHNXBqyQNg+xJfsWvejNBdvp9G3TTVl4eDj7kBp6g1VycjJ5eHhUCFb5z8SJEyXZh2zhunHjBluvSapijVMhbR5i/dcfTkUWDt7U960ltOtcLhleV9O6mzt3LjtTOXr0qNLlPFZ5O0D5T/kIbCsrK0n6T6qIiCCR5ORkrF69GikpKUhJSUF2dja6dOmCQ4cOwdraWqrdGBkBl3d9gjkLN2DPH7dQ+te7rVI3wFPPB2PitLfx5iB/OFooW6VUiAjjx49HeHg4nJyccOLECfj6+sqyL1EUodPp2I8gCJX+d1XPDR06FDk5OWjVqhVSUlIqbPvmzZtwcXGpU32ShWv//v0YPHgwysrK2GMWFhY4e/YsAgICpNiFkStCxqFIfL3qa2zadwa3Wco0cPTrh3GTp2Ha+P7wdag8ZaIoVvvDU5sPWk2fe9zvarVaxMbG4tatW7C3t0ePHj2gVqslr0dOvXv3Rnh4OJo3b17rbUgSLiLCU089hdTU1EeemzFjBlasWFHj7enjQ6DEdgRBQGlRHnJzcnA3rwBa4aF/uMYejg1sAeHR10l4gmGSLCwsoNFo2I9ara70vx/+f0EQcPHiRQiCUGFbnTp1gqurKxo3boz58+ejadOmtapJknBlZGSgZcuWlT5nY2MDb2/vGn0oRVGsa0kmTaVSVflBqu4Hq6a/W5vt5OXlYcGCBcjPz0fnzp0RFhYGS0tLyetRq9VQqVS1ei8zMjIwf/58nD9/Hk8//TTee+89PPPMM9L8naQI17179+Dk5CRFPZV6+A2W+wMh/3aA+1ePYs+PUdgTexY3S8rffhXqdQjDzh+mIsCm6u2o1WpYWBjPBVpiYiJ69uyJoqIihIWF4YsvvlC6JL2R7JqrV69eOHLkyCOPh4WFYcSIEbX+MBvTB+mxdDk4E7UOq75ah+1HMvFALL/msoV71xF4a9p0TBreAc4aZcuUw759+zBkyBCIoog1a9ZgypQpSpdUO6V5uJaajptaB3j6+6DJk9ro6tze+JeMjAxq3759habNMWPG8LFaVEbnN02kvt4OZKH6+71RWbtRp9EfU/iJLNIqXaIerFmzhk2bZ3SjzrWp9NNHwyiwiRWpLW3IWqMijWNrClpymG4/5uMt6X2usrIyio+Pp+joaDp9+rTBdoPRr4r3uayc21HQrHV0ONP8ZhKeOXMmG25kyLM2VSBk0643vcnGrQ99uPMc3dESCcXX6ciKIPKydqIXV6VUeb9S8QlqTF8hbR5Sj5wCBtO7a36hVDOe3EoQBAoKCmKTe2ZkZChd0hNpj79P/lbNafzuf856VUD7J/pQ456L6WwVnW4kvYnMVUZA9tUM1PPyRhW3sMxKcXEx+vbti/j4eLRu3RrHjh2Do6Oj0mVVQYffP2qPbuHPYc/Vtej/z2ssUYBooUZVf1b+55adGm4+PFjlbG1tsWfPHnh7eyMpKQlBQUEoLS1Vuqwq6JCZdg0qLz/4WVby9GOCBVQVrqLvMaLB3/cjLC2tYNfQHW1emYVdqYb6RnDGokmTJoiJiYGTkxPi4uIQGhpqsDfJLdQWgMoCtbmLVkXwCKKgRu8Fx5GYmIjfTx3Hr99/jl453+L115cjWaj8VRxXXb6+vti9ezesrKwQHh6OefPmKV1SJTTw9vYEMq4gtezRZ4W0WETuSsANbRUvr/RKrDCSXrW3paERFce1PNgxmhravkKbDG80N2ektm3bxm5PhIeHK13OI7QJs6m1tSdNiP7nLGWFdGymP1k2C6F9VTRSVf9KQJeNw7FnIQR2QXvb2nwLcNyjRo0ahcWLFwMAQkJCEBcXp3BFFVl1fBtzhukQEToan0Yl4Z4AQJuFY6tD8OZX2ej23rvob1/FiyuNXGEkvWpvQfbOLcjT05M8PVtQU0drUjt2o/knDXvZFs74iKLIlmpt0KABJSUlKV1SRfdP07dvdiJXaxWprezJ3lpNGsdWNGxBHN18zE3kypvii7YiyHk8sidF4P1ulgBEaPMyER+5AutSu2Pd4S0Ibs6bvzjp6HQ6vPLKK9i/fz9atGiB+Ph4uLq6Kl1WBbq8TFy8dB33LZzg3dofrnZPeEGlkavimovubafRja2py6Kq70pzXG3dv3+f2rRpQwCoQ4cORr+cVM0OPzb2sLcmlJWWwTAbTjlj5uDggOjoaLi7uyMxMRFjxox5ZKyVMXlMuAgPbl5CUlISkpKScP7UL1j3zifYeTcAgwa1ggl23uYMQLNmzRAdHQ0HBwfs3bsXM2bMMNh7YE9U6fGsMJJetVf93cNdZUEaWyfy7DCUZu24RMovfcaZugMHDpBarSYAtGzZMqXLqRXet5AzWBs2bMCECROgUqmwY8cOBAUFKV1SjfAmP85ghYSEYM6cOSAijB07FvHx8UqXVCP8yMUZtPJgbd26FY0bN0Z8fDy8vb2VLqtaeLg4g6fVatGvXz8cOXIEvr6+OH78OBo1aqR0WU/ETws5g2dtbY2oqCj4+fnh8uXLGDp0KEpKSpQu64l4uDij4OTkhJiYGDRp0gTHjh3D+PHjDX4KPh4uzmh4eXlh3759sLW1xbZt2/DRRx8pXdJj8XBxRuXZZ59FZGQkVCoVFi1ahHXr1ildUpV4uDijM2zYMCxbtgwAMHnyZOzfv1/hiirHWws5ozVjxgysXLkS9erVw7Fjx9CmTRulS6qAh4szWoIgICgoCLt370azZs0QHx8Pd3d3pctieLg4o1ZYWIg+ffrg1KlTCAwMxNGjR1G/fn2lywLAr7k4I2dvb4+9e/fC09MT586dw8iRIyusEackHi7O6Lm4uCAmJgaOjo44cOAApkyZYhDDVHi4OJPg7++PqKgoWFpaYv369WzSGyXxay7OpGzZsgXjxo0DAERGRiI4OFixWviRizMpY8eOZROMjh8/vtI14/SFH7k4k0NECAkJwXfffYeGDRvixIkT8PPz03sdPFycSSorK8PAgQPx66+/omXLloiPj4ezs7Nea+Dh4kxWfn4+unfvjgsXLqBz586Ii4uDnd2TJhuUDr/m4kxWgwYNEBMTAzc3NyQkJGDs2LF6naqNh4szaR4eHoiOjoa9vT2ioqLw/vvv623fPFycyWvXrh22b98OtVqN5cuXY9WqVXrZL7/m4szG2rVrMWnSJKhUKkRFRWHIkCGy7o8fufRJyMTZM7egU7oOMzVx4kR88MEHICKMGTMGp06dknV/PFz6pD2CT7t6w6d3CBbuOIMcnjK9W7RoEUaOHIni4mK8/PLLSE9Pl21f1Q4XEeHHH39E586d4eHhgbZt2yIyMlK2wkyWWIjMwxsxZ1QHeLd6HqH/jsL5u8a72ICxsbCwQHh4ONq0aYPbt2/D19cX/v7++Oyzz6DVVrX+ai1Vd97rnTt3/j13/EM/u3fvruuU2uZDd4l+/HA4dXCxIhV7D1WkbuBL/SZ/SXuS79Fj1lLjJJKdnU0ODg6PfJZDQ0Ml3U+1wxUQEMBW/gsJCaH69esTAGrfvr2kBZmFwnT677cf0KvtnMlK9fcfV6VxpFYD36b/xFyi+zxlspk9ezZ7z62srCoE7MaNG5Ltp1qthWVlZbC2tgYRoWnTpvDw8MCff/6J7OxsAP+bkUelUkl7SDULAkry7+D2rdvIySuCjv0lVLBr1hoB7vbg76r0UlJSkJ+fDzs7O3h6eiI5OZk9FxMTgwEDBkiyn2o3xfv4+CA1NVWSnXKcoUpNTYWXl5ck26r2GnZhYWGYPHlypY8PHDhQkmLMjnAPlw/vxa7dMTh84Ta05V9zKjsETFiJ5WO8oFa0QNN0/fp1hISEPDIdwKuvvipZsABUv0FDEARaunQpu9aysbGhefPmkSiKkp2jmouy26dp+4I3qbdnPbJ4+JrL1p26vfYZff/7LSpTukgTFxMTQ02bNiUApNFo6I033qDc3FxJ91HjHhqCICA9PR3NmzeHlZWVdCk3B7oLCJ82A/O2HkJagfjXutIqWLt1xLAJ0zBj8mh0cePvqb4QETIyMuDi4iJLb3ne/UmfiiIw1Ok17NYCUFnBue0rGD9lOqaM7YnmNkoXx0mNrxuub5ZOCOj/Oia/PQ2vv+AFe6Xr4WTDj1z6JGTjakY9eHk78H5nZoCHi+Nkwr9AOU4mFcJVEjMB7lYaaDQaaCwtYWVliwaufuge/Dn2pkvcqZHjlKY9gEktrP73ef/nj5UzXv+pbkvDVmzQIIJg0Qn/OvA1hjupQLpi3Ms4gchF8zD8+TRE/rYRw934wY4zFQRRsED792Pw7egmFbuaqTRo2KJut0UebS1U2cHFLxBtmv4Vog5d0KtrMxQ/Ow6frJiM4Us612mHHGdYVLBz8UVgm+aSXyNVa3sWbkMQMqQp0n79WeLdc5zpquZ9Lg1atvQAdv4pbzUcp3cCUrZMw6jfrCs8atHoRXy4OhRt6nAnuNovFQQBUPPrLc702DRqDm/vehUes6jfGLZ1HO9TzXCV4cqVTMCd937nTI0angM+wMJ3FLrmEm/vQUTMHfj35+HiuOp69MhFxchJTUbSPRUgFOHO1ePY9sUC7LIdix+mGdZq6RxXd4TiO6lITir4x6hvFWwae8HbpQ49qh8ef1K8701ytfh74hSV2oocXP2oR/BntCdNK+lYF45TXMnP9FYzdaUTLwEa8gv7jeryqed9CzlOJrz5j+NkwsPFcTLh4eI4mfBwcZxMeLg4TiY8XBwnEx4ujpMJDxfHyYSHi+NkwsPFcTLh4eI4mfBwcZxMeLg4TiY8XBwnEx4ujpMJDxfHyYSHi+NkwsPFcTLh4eI4mfBwcZxMeLg4TiY8XBwnEx4ujpPJ/wNDqBTkAFpczwAAAABJRU5ErkJggg==)
In the figure, ![stack B C with bar on top parallel to stack D E with bar on top comma angle A C B equals 60 to the power of ring operator end exponent comma angle A E D equals 80 to the power of ring operator end exponent text and end text angle B A C equals 90 to the power of ring operator end exponent. text Then end text angle B A E equals ?](data:image/png;base64,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)
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)
Maths-General
Maths-
In the figure, p||q||r. Then ![left parenthesis x plus y plus z right parenthesis to the power of ring operator end exponent minus left parenthesis a plus b plus c right parenthesis to the power of ring operator end exponent equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure, p||q||r. Then ![left parenthesis x plus y plus z right parenthesis to the power of ring operator end exponent minus left parenthesis a plus b plus c right parenthesis to the power of ring operator end exponent equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
Maths-General
Maths-
In the figure,
![text If end text stack F B with bar on top perpendicular stack A B with bar on top text then end text angle C B A minus angle C A B equals](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure,
![text If end text stack F B with bar on top perpendicular stack A B with bar on top text then end text angle C B A minus angle C A B equals](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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)
if alternate angles are equal between two lines then they are parallel
According to the figure, which of the following is true ?
![](data:image/png;base64,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)
Maths-General
if alternate angles are equal between two lines then they are parallel
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. ![text If end text angle 2 colon angle 3 equals 7 colon 3 text then end text angle 4 minus angle 7 equals text ? end text](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. ![text If end text angle 2 colon angle 3 equals 7 colon 3 text then end text angle 4 minus angle 7 equals text ? end text](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
Maths-
In the figure, if ![angle 3 colon angle 6 equals 2 colon 7 text then end text angle 2 colon angle 7 equals](data:image/png;base64,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)
![](data:image/png;base64,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)
In the figure, if ![angle 3 colon angle 6 equals 2 colon 7 text then end text angle 2 colon angle 7 equals](data:image/png;base64,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)
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)
Maths-General
Maths-
In the figure, n is transversal to lines
![text If end text angle 3 equals 70 to the power of ring operator end exponent text then end text angle 8 equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
angle on a straight line is always 1800
In the figure, n is transversal to lines
![text If end text angle 3 equals 70 to the power of ring operator end exponent text then end text angle 8 equals ?](data:image/png;base64,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)
![](data:image/png;base64,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)
Maths-General
angle on a straight line is always 1800