figure a~figure b:figure a r=4 ft figure b r =2 ft v=352 cu ft fing the volume of figure b for a final exam due at midnight, will fail year, help.

The deepest part of the swimming pool is 12 feet deep.the shallowest part of the pool is 3 feet deep.what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?