Figure WXYZ is made up of ten identical rectangles. Each rectangle has a length of 8 cm.
- Find the perimeter of Figure WXYZ.
- Find the area of Figure WXYZ
(a)
Breadth of one rectangle = 1 u
Length of one length = 4 u
4 u = 8
1 u = 8 ÷ 4 = 2
Length of Figure WXYZ = 8 u
Breadth of Figure WXYZ = 5 u
Perimeter of Figure WXYZ
= 8 u + 8 u + 5 u + 5 u
= 26 u
= 26 x 2
= 52 cm
(b)
Area of 1 rectangle
= 8 x 2
= 16 cm
2 Area of Figure WXYZ
= 10 x 16
= 160 cm
2 Answer(s): (a) 52 cm; (b) 160 cm
2