Study the figure.
- Find the perimeter of one small rectangle.
- Find the perimeter of the whole figure.
(a)
Length = 3 u
Breadth = 1 u
4 u = 32
1 u = 32 ÷ 4 = 8
3 breadth = 1 length of the small rectangle
= 3 x 8
= 24 m
Perimeter of one small rectangle
= 24 + 8 + 24 + 8
= 64 m
(b)
Length of the large rectangle
= 4 u
= 4 x 8
= 32 m
Perimeter of whole figure
= 32 + 24 + 32 + 24
= 112 m
Answer(s): (a) 64 m; (b) 112 m