Math has 2036 Apple's 1236 have rotten how much is left

Find the value of the variable and the length of each secant segment.

What is the measure of angle tvu shown in the diagram below

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π