A kite is a quadrilateral with two distinct pairs of congruent sides. The common vertices of its congruent sides are called its **ends**. In quadrilateral below, the distinct pairs of congruent sides are & and & . The ends are and .

Exercise: Locate the ends and the pairs of the distinct pairs of the remaining quadrilaterals.

In this post, we are going to prove the Kite Symmetry Theorem. The theorem states that the line containing the ends of a kite is a symmetry line for the kite. In proving this theorem, we are going to use the Figure Reflection Theorem which is stated as follows. Continue reading…