Question

The figure below is composed of squares and semi-circles. Find the perimeter of this shape. Show your work.

Answer 1

Problem

Solution

For this case we can find the perimeter of the figure with the following operation

$P=(2\cdot4)+\pi(4)+(2\cdot4)+\pi(4)=2\pi(4)+8+8$

Then the final answer would be:

$P=16+8\pi$