Q:

This figure consists of a rectangle and semicircle.What is the perimeter of this figure?Use 3.14 for pi.19.42 cm20.28 cm23.42 cm32.84 cm

Accepted Solution

A:
Try this option:
1. for the semicircle p₁=Ο€r=3.1415*3β‰ˆ9.4248 cm., where r=3 radius of the semicircle;
for the rectangle pβ‚‚=4*2+6=14 cm.
2. totaly: p=p₁+pβ‚‚=14+9.4248β‰ˆ23.4248 cm.

answer: 23.42 cm.