Page 121 - NUMINO_WB_3B

149-P3-1

The Perimeter of a Figure

Find the perimeter of the figure given below.
7 cm

12 cm

4 cm

20 cm

Step 1. Find the side that has the same length as the sum of the colored
sides.

Step 2. Find the side that has the same length as the sum of the colored
sides.

Step 3. What is the perimeter of the figure in cm?