The figure shows a rectangular piece of paper 38 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 A, B and C in Figure 2.
(a)
Area of the rectangular piece of paper
= 38 x 7
= 266 cm
2 (b)
Areas of D and E
= 7 x 7
= 49 cm
2 Total area of A, B, and C
= 266 - 49
= 217 cm
2 Answer(s): (a) 266 cm
2; (b) 217 cm
2