Maths-
General
Easy
Question
If the area of 1 face is 81 how much is the surface area of the whole cube?
- 486
- 9
- 81
- 324
Hint:
Total Surface Area of Cube: The total surface area of a cube refers to the total area covered by all six faces of a cube. To calculate the surface of a cube, we find the sum of the areas of these 6 faces.
Surface Area = 6a2
= 6 (area of face)
where a is the side of cube
The correct answer is: 486
- Step 1:We have given area of one face of the cube.
Area of face = 81
- Step 2: For total surface area, find out the product of the square of side length by 6.
Surface area = 6 (area of face)
= 6 (81)
= 486
- Step 4: Therefore, the surface of the given cube is 486.
- Therefore, the correct answer is option A) 486 .
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Find the Total surface area if the given dimensions are 6 cm,4cm, and 5 cm.
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Maths-
Factor the given expression.
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Factor the given expression.
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Maths-General
Maths-
Factor the polynomial as the product of binomials.
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Factor the polynomial as the product of binomials.
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Maths-General
Maths-
Factor the given expression.
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Factor the given expression.
![x squared minus 64](data:image/png;base64,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)
Maths-General
Maths-
A cone has slanted height of 5cm and height of 4cm, its volume (in cm3 ) is
__________
A cone has slanted height of 5cm and height of 4cm, its volume (in cm3 ) is
__________
Maths-General
Maths-
Factor the polynomial as the product of binomials.
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Factor the polynomial as the product of binomials.
![p squared minus 49 over 100](data:image/png;base64,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)
Maths-General
Maths-
What is the volume of a cone having radius of 21cm and height of 5cm?
What is the volume of a cone having radius of 21cm and height of 5cm?
Maths-General
Maths-
What is the radius of a cylinder that has a height of 3 in. and a volume of
?
What is the radius of a cylinder that has a height of 3 in. and a volume of
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Maths-General
Maths-
How can you determine if a binomial of the form
is factorable using rational constants?
How can you determine if a binomial of the form
is factorable using rational constants?
Maths-General
Maths-
Volume of a right circular cone of radius r and height h is given by __________
Volume of a right circular cone of radius r and height h is given by __________
Maths-General
Maths-
On Saturday , the vacation resort offers a discount on water sports. To take a surfing lesson and go parasailing costs $130. That day 25 people take surfing lessons and 30 people go parasailing. A Total of $ 3650 collected. What is the discounted price of each activity?
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Maths-General
Maths-
Solve System of equations using Substitution :
Y = 3X + 1
6X - 2Y = -2
Solve System of equations using Substitution :
Y = 3X + 1
6X - 2Y = -2
Maths-General
Maths-
Solve System of equations using Substitution :
X + Y = 175
20X + 16Y = 3,101
Solve System of equations using Substitution :
X + Y = 175
20X + 16Y = 3,101
Maths-General