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

Find the coordinates of the orthocentre of the triangle whose vertices are (1, 2), (2, 3) and (4, 3).

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

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

Find the co-ordinates of the orthocentre of a triangle whose vertices are (3,-1) , (-1,2) and (0,0) .

Find the coordinates of the orthocentre of a triangle whose vertices are (-1, 3) (2,-1) and (0, 0). [Orthocentre is the point of concurrency of three altitudes].

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

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

Find the co-ordinates of the centroid of a triangle ABC whose vertices are : A(-1, 3), B(1, -1) and C(5, 1)