Question

What is the exact volume of the cylinder? 32π in³ 64π in³ 128π in³ 512π in³ Cylinder with radius labeled 4 inches and height labeled 8 inches

Answer 1

The answer is 128 pi in^3. You have to multiply 4x4, then multiply that by 8 to get 128.

Answer 2

we know that

The volume of a cylinder is equal to

$V=\pi r^{2} h$

where

r is the radius of the base of the cylinder

h is the height of the cylinder

In this problem we have

$r=4\ in\\h=8\ in$

substitute the values in the formula

$V=\pi 4^{2} 8=128 \pi\ in^{3}$

therefore

the answer is the option

$128 \pi\ in^{3}$