The figure shows a rectangular piece of paper 37 cm by 7 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 P, Q and R in Figure 2.
(a)
Area of the rectangular piece of paper
= 37 x 7
= 259 cm
2 (b)
Areas of S and T
= 7 x 7
= 49 cm
2 Total area of P, Q, and R
= 259 - 49
= 210 cm
2 Answer(s): (a) 259 cm
2; (b) 210 cm
2