The circumcentre of the triangle with vertices `(1,3), (-3,5) (5,-1)` is

Find the circumcentre of the triangle whose vertices are (1,3) (-3,5) and (5,-1).

The circumcentre of a triangle with vertices (-2, 3), (2, -1), (4, 0) is

The coordinates of the circumcentre of the triangle with vertices (2,3),(4,-1) and (4,3) are

If the circumcentre of the triangle whose vertices are (0,2),(3,5)and (5,8) is (h,k) then 4(h^(2)+k^(2)) equals "_____".

If the circumcentre of the triangle whose vertices are (0,2),(3,5)and (5,8) is (h,k) then 4(h^(2)+k^(2)) equals "_____".