A quadrilateral whose diagonals are equal and bisect each other at right angles is called a _______ .

Name the quadrilaterals whose diagonals(a) bisect each other. (b) are perpendicular bisectors of each other.(c) are equal

Which two types of quadrilaterals always have diagonals that are equal in length?

Show that if the diagonals of quadrilateral are equal and bisect each other at right angles,then it is a square.

s a quadrilateral with exactly one pair of parallel sides.

Name a triangle whose two angles are equal.