Show that points A(-1, 0) , B(-2,1) , C(1,3) and D(2,2) form a parallelogram .

If the points A(2, 2), B(-2, -3), C(1, -3) and D(x, y) form a parallelogram then find the value of x and y.

If the points A(1,-2) , B(2,3), C(a,2) and D(-4, -3) form a parallelogram, find the value of a and height of the parallelogram taking AB as base.

The points A(2,-1,4),B(1,0,-1),C(1,2,3) and D(2,1,8) form a

If the points A(-2,-1),B(1,0),C(a,3) and D(1,b) form a parallelogram ABCD, Then the values of a and b are

If the points A (1,-2), B (2,3) C (a,2) and D (-4,3) from a parallelogram find the value of a and height of the parallelogram taking AB as base.

If the points A(4, 7, 6), B(2, 3, 2), C(-1, -2, -1) and D form a parallelogram, then D-=

If the points A(1,-2),B(2,3),C(a,2)andD(-4,-3) forms a parallelogram, find the value of 'a'.

Show that A(-1,0), B(3,1), C(2,2) and D(-2,1) are the vertices of a parallelogram ABCD.

Show that the points A(1,2,3) , B(-1,-2,-1) , C(2,3,2) and D(4,7,6) are the vertices of a parallelogram.