One side of a parallelogram is 8 cm. If the corresponding altitude is 6 cm, then its area is given by

If all the sides of a parallelogram are equal and one angle is a right angle, then it is called as

The sides of a triangle are 5 cm, 12 cm and 13 cm. then its area is

If the sides of a triangle are doubled, then its area

Two parallel sides of a trapezium are 29 cm and 21 cm. Non-parallel sides are equal and each is of length 8.5 cm. What is the area of the trapezium?

The lengths of the sides of a triangle are in integers and its area is also an integer. One side is 21 cm and the perimeter is 48 cm, then the length of the shortest side is