Question

The volume of a cylinder varies jointly with the square of its radius and with its height: V=kr2h

Cylinder A has a volume of 254.34 cubic inches and has a radius of 3 inches and a height of 9 inches. What is the volume of cylinder B, which has a radius of 4 inches and a height of 5 inches?

Answer 1

v = pi x r^2 x h

3.14 x 16 x 5 =251.2

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