Need help big time.. this is due in 5 mins pls help

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

1. what is the measure of ∠abc? what is the measure of ∠abd?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.