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

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

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

Find the area of the triangle whose vertices are (3, 8), (– 4, 2) and (5, 1).

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

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 area of a triangle whose vertices are ( 1, -1), (- 4, 6) and (-3, -5).

Write the area of the triangle whose vertices are : (1, - 1), (2, 4) and (- 3, 5) :

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

Find the area of the triangle whose vertices are :- (2, 3), (-1, 0), (2,- 4).