Cylinder A has radius 4 times the radius of cylinder B, and height 4 times the height of cylinder B.

What is the ratio of the volume of cylinder A to the volume of cylinder B?

3 answers

Vb = pi*r^2*h.
Va = pi*(4r)^2*4h.

Va/Vb = pi*(4r)^2*4h/pi*r^2*h = 64.
64:1
the ratio of the two lateral areas is
16:1