Question

A semicircle has a diameter of 17.6 cm.

Find the perimeter of the figure.
Use = 3.14.

A. 27.63 cm
B. 45.23 cm
C. 55.26 cm
D. 72.86 cm

Answer 1

B. 45.23 cm

Explanation:

perimeter of the figure

`=(1)/(2)\pi d+d`

`=(1)/(2)* 3.14* 17.6 +17.6`

`=(1)/(2)* 55.264 +17.6`

`=27.632 +17.6`

`=45.232`

`=45.23\: cm`