In the figure, m<1 =(7x + 6)°, m<2 = (5x +14)", and m<4 = (13X + 8)º. Your friend incorrectly says that m<4 = 90°. What is m<4? What mistake
might your friend have made?

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