Apelican is flying 7 feet above the water. a fish is swimming 2 feet below the water. how far does the pelican need to travel in order to catch the fish

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

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

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?