Using the method of integration show that the area of triangle of base b and altitude h is `1/2bh`.

Using the method of integration show that area of circle is pi R^(2) .

Using the method of integration, show that the volume of a right circular cone of base radius r and height h is V=1/3pir^2h .

Using the method of integration, show that the volume of a right circular cone of base radius r and height h is V=1/3pir^2h .

Using the method of integration, find the area of the triangle ABC, coordinates of whose vertices are A (1, 2), B (2, 0) and C (4, 3).

Using the method of integration find the area of the triangle ABC, coordinates of whose vertices are A(2,0),B(4,5) and C(6,3) .

Using the method of integration find the area of the triangle ABC, coordinates of whose vertices are A(2, 0) , B (4, 5) and C(6, 3).

Using the method of integration find the area of the triangle ABC, coordinates of whose vertices are A(2, 0), B (4, 5) and C (6, 3).

Using the method of integration find the area of the triangle ABC, coordinates of whose vertices are A(2, 0), B (4, 5) and C (6, 3).