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 = 16
1 u = 16 ÷ 4 = 4
3 breadth = 1 length of the small rectangle
= 3 x 4
= 12 m
Perimeter of one small rectangle
= 12 + 4 + 12 + 4
= 32 m
(b)
Length of the large rectangle
= 4 u
= 4 x 4
= 16 m
Perimeter of whole figure
= 16 + 12 + 16 + 12
= 56 m
Answer(s): (a) 32 m; (b) 56 m