Question

he radius of a right circular cylinder is doubled and
he height is halved. Find the ratio of the original
blume to the new volume.​

Answer 1

Answer:

Volume of original =

pie x r*2 x h

If radius is double and height is halved

Volume of new

pie x (2r)*2 xh/2

Ratio

r*2 x h / (2r)*2 x h/2

2r*2 / 4r*2

1/2

1:2