1 Answer

Orifjon · Answer 1 · 2020-02-10T16:53:33+0000

Answer:

r = 15 in

Explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

r - radius

H - height

We have

$V=225\pi in^3\\\\H=1\ in$

Substitute:

$225\pi=\pi r^2(1)$ divide both sides by π

$225=r^2\to r=√(225)\\\\r=15\ in$