The figure shows a rectangular piece of paper 58 cm by 8 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 L, M and N in Figure 2.
(a)
Area of the rectangular piece of paper
= 58 x 8
= 464 cm
2 (b)
Areas of P and Q
= 8 x 8
= 64 cm
2 Total area of L, M, and N
= 464 - 64
= 400 cm
2 Answer(s): (a) 464 cm
2; (b) 400 cm
2