Prove that `(4,\ 3),\ (6,\ 4),\ (5,\ 6)` and `(3,\ 5)` are the angular points of a square.

Prove that A(4,3),B(6,4)a n dC(5,6)a n dD(3,5) are the angular points of a square.

Prove that A(4,3),B(6,4)a n dC(5,6)a n dD(3,5) are the angular points of a square.

Prove that the point (4, 3), (6, 4), (5, 6) and (3, 5) asre the vertices of a square.

Prove that the points (4, 3), (6, 4), (5, 6) and (3, 5) are the vertices of a square.

Prove that the point (4, 3), (6, 4), (5, 6) and (3, 5) asre the vertices of a square.

Prove that the points (4, 3), (6, 4), (5, 6) and (3, 5) are the vertices of a square.

Show that the points : P (1, 2), Q (5, 4), R (3, 8) and S (-1, 6) are the angular points of a square PQRS.

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

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

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