" A-4.z Let ABCD is parallelogram where "A=(1,2,4),B=(8,7,9)" and "D=(6,1,5)

Let ABCD is parallelogramogram where A=(1,2,4),B=(8,7,9) and D=(6,1,5). Find direction cosines of line AC.

Show that square ABCD is a parallelogram, if A(-1,2), B(-5,-6) C(3,-2) and D(7,6)

ABCD is a parallelogram where A(x, y), B(5, 8), C(4, 7) and D(2, -4) . Find : co-ordinates of A

ABCD is a parallelogram where A (x, y), B (5, 8), C (4, 7) and D 2, -4). Find (ii) Equation of diagonal BD.

ABCD is a parallelogram where A (x, y), B (5, 8), C (4, 7) and D 2, -4). Find (i) Coordiantes of A

Show that square ABCD is a parallelogram,if A(-1,2),B(-5,-6),C(3,-2) and D(7,6).

Show that square ABCD is a parallelogram if A (4,8) ,B(5,5), C(2,4) ,D(1,7) .

Show that square ABCD is a parallelogram if A (4,8) ,B(5,5), C(2,4) ,D(1,7) .

A parallelogram has vertices A (4,4,-1), B(5,6,-1), C(6,5,1) and D(x,y,z). Then the vertex D is

A parallelogram has vertices A (4,4,-1),B (5,6, -1),C (6,5,1) and D ( x,y,z) . Then the vertex D is