A tennis ball can in the shape of a cylinder holds three tennis balls snugly. If the radius of a tennis ball is 3.5 cm, what percentage of the tennis ball can is occupied by air?

Answer 1

volume tennis ball can= PIr^2*3r
volume of tennis balls=4/3 PI r^3

divide the second by the first.

Answer 2

2.3cm^3

Answer 3

.022508352%