Area of a triangle

If ! denote the area of any triangle with semi-perimeter , then

Area of triangle by using integration

Area of triangle

The medians of a triangle ABC meet at G. If the area of the triangle be 120 sq cm, then the area of the triangle GBC is

G is the centroid of the triangle ABC. Prove that the area of the triangle ABG is one third of the area of the triangle ABC.

Find the area of Fig.34 in the following ways: Sum of the areas of three triangles Area of a rectangle - sum of the areas of five triangles

The height of an equilateral triangle is 15 cm. The area of the triangle is

The height of an equilatral triangle is 15 cm . The area of the triangle is