Given the figure that is not drawn to scale, find
- its perimeter.
- its area.
(a)
Perimeter of the figure
= (4 x 19) + (4 x 3) + (4 x 5)
= 76 + 12 + 20
= 108 cm
(b)
Length of AB
= 19 - 5 - 5
= 9 cm
Length of CD
= 19 - 3 - 3
= 13 cm
Area of the figure
= (19 x 19) - (2 x (9 x 3)) - (2 x (13 x 5))
= 361 - 54 - 130
= 177 cm
2 Answer(s): (a) 108 cm; (b) 177 cm
2