Kites

Definition of a kite

• A kite is a quadrilateral with two pairs of adjacent sides equal.
• A kite may be convex or non-convex.

Properties of a kite

• The angles opposite the axis of a kite are equal.
• The axis of a kite bisects the vertex angles through which it passes.
• The axis of a kite is the perpendicular bisector of the other diagonal.

Test for a kite

A quadrilateral is a kite if:

• one diagonal bisects the vertex angles through which it passes, or
• one diagonal is the perpendicular bisector of the other diagonal.