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Mathematics

Grade-8

Easy

Question

For a sphere with a radius of 91 inches, find the Surface Area.

804.247719
10096.2304
104062.11
100.48

hint Hint:

The surface area of sphere is given by the formula $4 pi r squared$ , where r is the radius of the sphere.

The correct answer is: 104062.11

The surface area of sphere is given by the formula $4 pi r squared$ , where r is the radius of the sphere.
In this question we are given the radius of the sphere as $91$
Step2: Now we will calculate the surface area of the sphere by putting the value of r in the formula of the surface area of sphere.
$4 pi r squared$
=> $4 cross times pi cross times 91 squared$
=> $104062 space i n squared$
So, the surface area of the sphere is $104062 space i n squared$ .

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