Volume of cylinders and comparing volumes

Mathematics
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The volume of a cylinder is 96 inches cubed. The height of a cylinder is 3 times the height of the first cylinder and the radius of its base is 1/4 times the radius of the first cylinder. What is the volume of the second cylinder?

May 14th, 2015

Volume of second cylinder is 18 inches cube

May 14th, 2015

How did you work out the questions?

May 14th, 2015

R2=R1/4

H2=3H1

V2=pi*sq(R2)*H2

=pi*sq(R1/4)*3*H1

=(3/16)*(pi*sq(R1)*H1)

=(3/16)*96

=18

May 14th, 2015

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