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Mathematics

Grade-8

Easy

Question

Find the surface area.

6658.56 mm²
452.39 mm²
904.32 mm²
108.8 mm²

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: 452.39 mm²

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 $6 space m m$
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.
$4 pi r squared$
=> $4 cross times pi cross times 6 squared$
=> $452.389 space m m squared$
So, the surface area of the sphere is $452.389 space m m squared$ .

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