Question

The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is

The perimeter of a right triangle is 24 cm. If its hypotenuse is 10 cm, find the other two sides. Find its area by using the formula area of a right triangle. Verify your result by using Heron's formula.

Find the area of the triangle whose sides are 42 cm, 34 cm and 20 cm in length. Hence, find the height corresponding to the longest side.

Find the area of a triangle, two sides of which are 8 cm and 11 cm and the perimeter is 32 cm.