The figure shows a rectangular piece of paper 37 cm by 6 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 D, E and F in Figure 2.
(a)
Area of the rectangular piece of paper
= 37 x 6
= 222 cm
2 (b)
Areas of G and H
= 6 x 6
= 36 cm
2 Total area of D, E, and F
= 222 - 36
= 186 cm
2 Answer(s): (a) 222 cm
2; (b) 186 cm
2