The coordinates of the vertices of a triangle are(-1,5),(3,7),(1,1).Find the coordinates of its centroid.

The coordinates of the vertices of a triangle are '(1,2),(2,3),(3,1)'. Find the coordinates of the centre of its circumcircle and the circumradius.

The coordinates of the vertices of a triangle are 'A(1,1), B(5,5) , C(2,5)' a), Write the coordinates of the midpoint D of AB. b) What is the length of CD? c) What are the coordinates of the point dividing the line 'CD' in the ratio '2: 1 ?'

The vertices of a triangle area (3,0),(3,3) and (0,3). Then the coordinates of the circumcentre are

The coordinates of the vertices of a triangle are (3,5), (9,13), (10,6), Prove that this triangle is isosceles. Calculate its area.

In the figure, coordinates of two vertices of a rhombus are A(-1,2) and C(7,2) .Write the coordinates of midpoint of the diagonal AC. .

The vertices of triangleABC are A(2,1), B(-3,5) and C(4,5). Write the coordinates of the midpoint of AC.

Three vertices of a parallelogram ABCD are A(3,-1,2), B(1,2,-4) and C(-1,1,2) . Find the coordinates of the fourth Vertex

If coordinates of the circumcentre and the orthocentre of a triangle are respectively (5, 5) and (2, 2), then the coordinates of the centroid are

Prove that A(6,4),B(5,-2),C(7,-2) is an isosceles triangle. If D is the mid point of the side BC ,find the coordinates of D. Calculate the length of this median. Also find the coordinates of centroid.

The mid -points of the sides of a triangle are (1,5,-1),(0,4,-2) and (2,3,4) . Find its vertices.