Find the equation of the circle circumscribing the triangle whose vertices are (1,0),(2,-7) and (9,-6).

Find the equation of the circle, which is circumscribed about the triangle whose vertices are (-2, 3), (5, 2) and (6, -1).

Find the equations of the sides of the triangle whose vertices are (- 1, 8), (4, - 2) and (- 5,- 3).

Find the circumcentre of the triangle whose vertices are (2, 2), (4, 2) and (0, 4).

Using integration find the area of region bounded by the triangle whose vertices are (1,0), (2,2) and (3,1).

The incentre of the triangle whose vertices are (-36, 7), (20, 7) and (0, -8) is

Find the area of the triangle whose vertices are (0,0),(a,0) and (0,b)

Find the co-ordinates of the circumcentre of the triangle whose vertices are : (-2, 2) , (2, - 1) and (4, 0).

Find the co-ordinates of the circumcentre of the triangle whose vertices are : (1, 2) , (3, - 4) and (5,-6).

Find the coordinates of the circumcenter of the triangle whose vertices are (A(5,-1),B(-1,5), and C(6,6)dot Find its radius also.