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

Three vertices of parallelogram ABCD are A(3,-1,2), B(1,2,-4), C(-1,1,2). Find the co-ordinate of the fourth vertex.

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.

The coordinates of three consecutive vertices of a parallelogram are (1, 3), (-1, 2) and (2, 5). Then find the coordinates of the fourth vertex.

If three verticles of a rectangle are (0,0), (2, 0), and (0, 3), find the coordinates of the fourth vertex?

The two opposite vertices of a square are (-1, 2) and (3, 2). Find the coordinates of other two vertices.

If three consecutive vertices of a parallelogram are (3,4,-1),(7,10,-3) and (8,1,0), find the fourth vertex.

The vertices of a triangle are A (-2, 1), B (6, -2) and C (4, 3). Find the lengths of the altitudes of the triangle.

ABCD is a parallelogram. If the points A , B and C are respectively : (2,3), (1,4),(1,-2) Find the coordinates of the point D.