The figure shows a rectangular piece of paper 43 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 G, H and J in Figure 2.
(a)
Area of the rectangular piece of paper
= 43 x 8
= 344 cm
2 (b)
Areas of K and L
= 8 x 8
= 64 cm
2 Total area of G, H, and J
= 344 - 64
= 280 cm
2 Answer(s): (a) 344 cm
2; (b) 280 cm
2