If the midpoints of the sides of a triangle are `(2,1),(-1,-3),a n d(4,5),` then find the coordinates of its vertices.

If the coordinates of the mid-points of the sides of a triangle be (3,-2),(-3,1) and (4,-3), then find the coordinates of its vertices.

The coordinates of the middle points of the sides of a triangle are (1, 1), (2, 3) and (4, 1) , find the coordinates of its vertices.

if the coordinates of the mid points of the sides of a triangle are (1,2),(0,-1) and (2,-1). Find the coordinates of its vertices ':

If the coordinates of the mid-points of the sides of a triangle are (1, 1) , (2, -3) and (3, 4). Find the coordinates of the centroid.

If the coordinates of the mid-points of the sides of a triangle are (1,1),(2,-3) and (3,4), find the vertices of the triangle.

The mid-points of the sides of a triangle are (1, 2), (0,-1) and (2, -1). Find the coordinates of the vertices of a triangle with the help of two unknowns.

The mid-points of the sides of a triangle are given by (3, 2, -4), (9, 8, -15) and (5, 4, 6). Find the coordinates of its vertices.

If mid-points of the sides of Delta ABC are (1,2),(0,1) and (1,0), then find the coordinates of the vertices of Delta ABC.