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Mathematics

Grade-8

Easy

Question

For a sphere with a radius of 11, find the Surface Area.

804.247719
1520.530844
113.097335
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: 1520.530844

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 $11$
Step1: 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.
$4 pi r squared$
=> $4 cross times pi cross times 11 squared$
=> $1520.5$
Hence, the surface area of the sphere is $1520.5$ .

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