The area of a rhombus is 702 sq cm. If one of its diagonal is 54 cm long, what is the length of the other?

The lengths of the diagonals of a rhombus are 12 cm and 18 cm. What is the area of the rhombus?

The area of a rhombus is 432 sq cm. If one of the diagonal has a length of 24 cm, find the length of the other.

The lengths of the parallel sides of a trapezium are 8.7 cm and 5.3 cm. If the perpendicular distance between them is 4.5 cm, what is its area?

The area of a trapezium is 262.5 sq cm and the perpendicular distance between its parallel sides is 15 cm, what is the sum of its parallel sides?