The figure shows a rectangular piece of paper 48 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 Q, R and S in Figure 2.
(a)
Area of the rectangular piece of paper
= 48 x 8
= 384 cm
2 (b)
Areas of T and U
= 8 x 8
= 64 cm
2 Total area of Q, R, and S
= 384 - 64
= 320 cm
2 Answer(s): (a) 384 cm
2; (b) 320 cm
2