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

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

The orthocentre of the triangle whose vertices are (1, 1), (5, 1) and (4, 5) is

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

The distance between the circumcenter and the orthocentre of the triangle whose vertices are (0,0),(6,8), and (-4,3) is L. Then the value of (2)/(sqrt(5))L is

Orthocentre of the triangle whose vertices are (1, 1) (3, 5) and (3, 0), is

Incentre of the triangle whose vertices are (6, 0), (0, 6) and (7, 7), is

The orthocentre of the triangle whose vertices are (5,-2),(-1,2) and (1,4) is

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