Question

Find the volume, in cubic inches, of the composite solid below, which consists of a 4 -inch square solid rectangular bar that is 16 inches in length. The bar has a 2 -inch diameter cylinder hole cut out of the center of the bar from the top of the bar through the entire length of the bar. Use 3.14 to find the volume. Enter only the number.

Answer 1

10 in³

Step-by-step explanation:

given:

square box = 4 in², length = 16 in

bar diameter = 2 in, length = 16 in

box volume (in solid) = 4 in² * 16 in = 64 in³

bar volume = pi * d² / 4 = 3.14 * 2² / 4 * 16 in = 50.24 in³

Volume of slotted box = 64 - 50 = 10 in³