Any kite or square.
If the diagonals of a quadrilateral are perpendicular to each other, then the quadrilateral is a square.Or a kite.
A parallelogram is one of them.
Square, rhombus and a kite quadrilateral
No. If the diagonals of a parallelogram are congruent then it must be a rectangle (or square).
kite
A rhombus.
It is an isosceles trapezoid.
A Parallelogram and a rhombus
trapezoid
Rhombus rhombus
the anser to this question is a trapiezuim as it could have right angles and its diagonals definatly do not bisect each other
The converse of the rectangle diagonal conjecture states that if the diagonals of a quadrilateral are equal in length, then the quadrilateral is a rectangle, which implies that its corners are right angles. To test if the corners of a quadrilateral are right angles, measure the lengths of the diagonals. If the diagonals are equal, you can conclude that the corners are right angles, confirming that the shape is a rectangle.