A cone, a hemisphere and a cylinder stand on equal bases and have the same height. Show that their volumes are in the ratio 1:2:3.

A cone, a hemisphere and a cylinder stand on equal bases and have the

1.	A cone, a hemisphere and a cylinder stand on equal bases and have the same height. Show that their volumes are in the ratio 1:2:3.
Answer» A cone, a hemisphere and a cylinder stand on equal bases and have the same height. Show that their volumes are in the ratio $1 : 2 : 3$ .