Show that the given points form a parallelogram: `A(2.5, 3.5), B(10, -4), C(2.5, -2.5) and D(-5, 5)`.

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) .

Show that the following points are collinear: (i) A(2, -2), B(-3, 8) and C(-1, 4) (ii) A(-5, 1), B(5, 5) and C(10, 7) (iii) A(5, 1), B(1, -1) and C(11, 4) (iv) A(8, 1), B(3, -4) and C(2, -5)

The points A(2,-2),B(3,-3),C(4,-4) and D(5,-5) lie in

Plot the points A(4,2),B(-5,3),C(-4,-5) and D(5,-2) .

Show that the points A(-1, -2), B(4, 3), C(2, 5) and D(- 3, 0) in that order form a rectangle.

Show that the points A(-1,\ 4,\ -3),\ B(3,\ 2,\ -5),\ C(-3,\ 8,\ -5)a n d\ D(-3,\ 2,\ 1) are coplanar.

Show that the points A(-3, 2), B(-5, -5), C(2, -3) and D(4, 4) are the vertices of a rhombus. Find the area of this rhombus.

Plot the each point.Connect the points in order i.e A to B,B to C and so on .A(2,3),B(5,3),C(5,5) and D(2,5).

Show that the points A(5,\ 6),\ \ B(1,\ 5),\ \ C(2,\ 1) and D(6,\ 2) are the vertices of a square.