Question

a window is shaped like a semicircle and has diameter of 2 feet which expression describes the perimeter in feet of the window

Answer 1

5.14 ft

Explanation:

The perimeter of a circle is diameter X 3.14. since its half a circle, take the radius and multiply by 3.14. Since the radius is 1, the answer is pi itself. Then add 2 feet for the flat side of the semi-circle