SOLUTION: Three tennis balls fit snugly inside a cylinder that is 19.5 cm long. what is the volume of air surrounding the tennis balls?
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Question 873517: Three tennis balls fit snugly inside a cylinder that is 19.5 cm long. what is the volume of air surrounding the tennis balls?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
the diameter of a tennis ball is 19.5/3=6.5 cm the radius is 3.25
volume of a cylinder is h*pi*r^2
volume of a sphere is pi*r^3
so we have
a=19.5*pi*3.25^2-3(pi*(3.25)^3)
a = 323.535
c=647.07, b=323.535
Apparently the three balls take up half of the cylinder.
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