The figure shows a rectangular piece of paper 24 cm by 4 cm which is coloured on one side. It is folded along the dotted line to form Figure 2.
- Find the area of the rectangular piece of paper.
- Find the total area of K, L and M in Figure 2.
(a)
Area of the rectangular piece of paper
= 24 x 4
= 96 cm
2 (b)
Areas of N and P
= 4 x 4
= 16 cm
2 Total area of K, L, and M
= 96 - 16
= 80 cm
2 Answer(s): (a) 96 cm
2; (b) 80 cm
2