Question

Find the Perimeter of the figure below, composed of a rectangle and a semicircle. Round to the nearest tenths place.

8
12​

Answer 1

perimeter semicircle :

(2*pi*4)/2 = 8pi/2 =4pi≈12,56637...≈12.6

perimeter figure : 12+12.6+12+8=44.6

Explanation: