The points (0, -1), (-2,3), (6,7) and (8, 3) are
How can I prove that a parallelogram ( which is not a rectangle ) is not cyclic????
Every parallelogram is a rectangle, but not every rectangle is a parallelogram.
Show that four points (0, – 1), (6, 7), (–2, 3) and (8, 3) are the vertices of a rectangle. Also, find its area. [3 MARKS]
Let P, Q, R and S be the points on the plane with position vectors −2^i−^j,4^i,3^i+3^j and −3^i+2^j, respectively. The quadrilateral PQRS must be a