The figure is made up of 3 squares of side 4 cm, 10 cm and 15 cm. Find
- the perimeter of the figure.
- the area of the figure.
(a)
Perimeter of the figure
= 4 x 15 + 2 x 10 + 2 x 4
= 60 + 20 + 8
= 88 cm
(b)
Area of the figure
= 15 x 15 + 10 x 10 + 4 x 4
= 225 + 100 + 16
= 341 cm
2 Answer(s): (a) 88 cm; (b) 341 cm
2