The Compendium Geometry is an eBook providing facts, formulas and explanations about geometry.


A kite is a convex quadrilateral having a symmetry axis. It thus consists of two adjacent sides a of the same length and two adjacent sides b of the same length. A special case of the kite is the rhombus.

The diagonals of a kite are always perpendicular.

The area of a kite is given by

A = d1d2/2

Last Update: 2010-12-06