Heron's formula to calculate area of triangle is .....

Herons's formula

The formula to calculate area of a rectangle is _______.

Calculate Area Of A Triangle?

Heron is

Using Heron's formula, find the area of a triangle whose sides are 10 cm, 24 cm, 26 cm

Using Heron's formula, find the area of a triangle whose sides are 1.8 m, 8 m, 8.2 m

Using Heron's formula, find the area of a triangle whose sides are 41 m, 15 m, 25 m.

Using Heron's formula, find the area of a triangle whose sides are (i) 10 cm, 24 cm, 26 cm (ii) 1.8m, 8m, 8.2 m

Mention the formula to calculate area of a circle?