The points A(4,3), B(6,4), C(5,-6) and D(-3,5) are vertices of a parallelogram.

Show that the points A(2, 1), B(5, 2). C(6, 4) and D(3, 3) are vertices of a parallelogram. Is this figure a rectangle?

Show that the points A(1,-2),B(3,6),C(5,10) and D(3,2) are the vertices of a parallelogram.

Show that the points A(1,0),B(5,3),C(2,7) and D(-2,4) are the vertices of a parallelogram.

Prove that the points (3, 2), (6, 3), (7, 6) and (4, 5) are the vertices of a parallelogram. Is it a rectangle?

Prove that the points (3, 2), (6, 3), (7, 6) and (4, 5) are the vertices of a parallelogram. Is it a rectangle?

If the points A(6,1), B(8,2), C(9,4) and D(p,3) are the vertices of a parallelogram, taken in order, find the value of p.

Prove that the points (3,-2),(4,0),(6,-3) and (5,-5) are the vertices of a parallelogram.

If the points A(6,1),B(8,2),C(9,4) and D(p,3 ) are the vertices of a parallelogram,taken in order,find the value of p.

Show that A(1, 2), B(4, 3), C(6, 6) and D(3, 5) are the vertices of a parallelogram. Show that ABCD is not a rectangle.

Points A(3, 1), B(5,1), C(a,b) and D(4,3) are vertices of a parallelogram ABCD. Find the values of a and b.