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AlekseyPX
3 years ago
6

What is the surface area of a sphere with a radius of 16 units?

Mathematics
2 answers:
scoray [572]3 years ago
5 0

we know that

The surface area of a sphere is equal to

SA=4\pi r^{2}

where

r is the radius of the sphere

in this problem we have

r=16\ units

substitute in the formula

SA=4\pi(16^{2})

SA=1,024\pi\ units^{2}

or

SA=3,216.99\ units^{2}

therefore

<u>the answer is</u>

SA=1,024\pi\ units^{2}

andrezito [222]3 years ago
4 0
Formula of surface area of a sphere is 4\pi r^{2}. 
Hence it is 4\pi 16^{2} ≈ 3216.99 ≈3217
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