A quadrilateral whose diagonals bisect each other at proper angles is a rhombus. each different at right angles at M. So AB = AD and through the first check above ABCD is a rhombus.
'If the diagonals of a parallelogram are perpendicular, then it is a rhombus.
The two diagonals of a convex quadrilateral are the line segments that connect contrary vertices.
The two bimedians of a convex quadrilateral are the line segments that connect the midpoints of opposite sides.
Learn more about diagonals in quadrilaterals here:
