Match the following: QuadrilateralProperties1. TrapeziumA) A parallelogram, where diagonals bisect at right angles, all sides are equal and none of the angles are equal to 90∘2. SquareB) A quadrilateral, where only one pair of opposite sides is parallel and unequal3. RectangleC) A parallelogram, where diagonals are equal, all sides equal and all the angles are 90∘4. RhombusD) A parallelogram, where diagonals and opposite sides are equal, and all the angles are 90∘
A quadrilateral which has all sides equal but the angles do not measure 90o is known as ______.