The circumference of a bowling ball is about 27 inches. Find its volume to the nearest tenth.

Answer 1

c = 2πr, so r = C/2π

v = 4/3 π r^3 = 4/3 π (C/2π)^3
= 4/3 π C^3/8π^3
= 1/6 C^3/π^2