Page 135 - NUMINO_WB_4B

152-B5-1

Perimeter
1. Find the length of the unknown side of each figure.

Example

Perimeter ?
= 30 cm

9 cm

a. 5 m b. 3 yd
Perimeter
Perimeter ? = 12 yd ?
= 40 m

m yd
c.
d.

Perimeter ? Perimeter ?
= 28 m = 24 cm

7m 6 cm
m cm