Using integration find the area of triangle whose sides are given by the equations `y = 2x + 1 , y = 3x + 1 , x = 4`.

Using integration find the area of triangle whose sides are given by the equations y = x + 1 , y = 3x + 1 , x = 5 .

Using integration find the area of triangle whose sides are given by the equations y = 2x + 1 , y = 5x + 1 , x = 6 .

Using integration, find the area of the region bounded by the triangle whose sides are y = 2x + 1, y = 3x + 1 and x = 4 .

Using integration, find the area of the circle x^(2)+y^(2)=4

Find graphically the vertices of the triangle whose sides have the equations y = x, y = 0 and 2x + 3y = 10 .

Using the integration, find the area of the triangle whose vertices are (-1,6), (1,2) and (5,4) .