1 Answer

Ian Huff · Answer 1 · 2020-02-19T19:35:34+0000

Answer:

R = 16 in

Explanation:

The formula of a Surface Area of a sphere:

$S.A.=4\pi R^2$

R - radius

We have

$S.A.=1024\pi\ in^2$

Substitute:

$4\pi R^2=1024\pi$ divide both sides by π

4R^2=1024 divide both sides by 4

$R^2=256\to R=√(256)\\\\R=16\ in$