Page 66 - NUMINO TB_4B

152_G4U22_G4U29˙—» ¿º 2011.3.23 5:27 PM ˘ ` 55 PDF_In 2540DPI 150LPI T

Learn how to find the perimeter of a rectangle.

6 cm

5 cm

4 cm 4 cm

2 cm 3 cm

Length(cm) 4
Width(cm)
Perimeter(cm) 3

A rectangle has 2 pairs of opposite and equal sides.
P (2 l) (2 w) 2 (l w)

3 . Find the length of unknown side of each rectangle.

a. b. c. Perimeter 11 cm
48 cm
Perimeter cm m
30 cm
Perimeter
9 cm 60 m

cm

13 m

4 . Find the length of the unknown side and the perimeter of each rectangle.

a. b.

Area ? Area 36 cm2 4 cm
24 cm2

8 cm ?

22. Perimeter of the Park 55