Consider the following figures: (i) a rectangle 4 cm × 9 cm (ii) a square of side 6 cm (iii) a right-angled triangle with base 8 cm and height 9 cm Which one of the following conclusions can be drawn from these figures?

1. (a)The areas of the three figures are all different
2. (b)The areas of all the three figures are equal
3. (c)The perimeters of the three figures are equal
4. (d)The perimeters of figures I and II are equal