Mr. Chen has a circular flower garden with a diameter of 5 feet. He put a fence around the garden to keep rabbits from eating the flowers. About how much fencing did he use?

Can you me find the missing length. i attached an image.

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

Which of the following can be used to explain a statement in a geometric proof?