Mathematics

1The area of a rectangle 8 m by 5 m is

2The area of a trapezium with parallel sides a and b and height h is

3Two triangles with the same base and height have the same area.

4Find the area of a trapezium whose parallel sides are 7 cm and 31 cm, and whose height is 12 cm.

5Find the area of a triangle with base 38 cm and height 12 cm.

6A rectangular floor measures 8 m by 11 m. Tiling costs GH₵ 5 per square metre. The total cost is GH₵ ___.

71 m² is equal to

8A rectangular floor measures 11 m by 15 m. Tiling costs GH₵ 8 per square metre. The total cost is GH₵ ___.

9Doubling the side of a square doubles its area.

10Find the area of a trapezium whose parallel sides are 16 cm and 34 cm, and whose height is 4 cm.