Find the circumcentre of the triangle whose vertices are (-2, -3), (-1, 0) and (7, -6). Also find the radius of the circumircle.

Find the circumcentre of the triangle whose vertices are (-2,\ -3),\ (-1,\ 0),\ (7,\ -6) .

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

Find the orthocentre of the triangle whose vertices are (0, 0), (6, 1) and (2, 3).

Find the area of the triangle whose vertices are: (-2,-3),(3,2),(-1,-8)

Find the centroid of the triangle whose vertices are A(-1,0), B(5, -2) and C(8, 2).

Find the incentre of the triangle, whose vertices are A(3,2) B(7,2) and C(7,5).

Find the area of the triangle whose vertices are : (3,-4), (7, 5), (-1, 10)

Find the orthocentre of the triangle whose vertices are (0,0),(3,0), and (0,4)dot

Find the orthocentre of the triangle whose vertices are (0,0),(3,0), and (0,4)dot

Find the coordinates of the circumcentre of the triangle whose vertices are (3,\ 0),\ (-1,\ -6) and (4,\ -1) . Also, find its circumradius.