Geometry of a Deltoid (Kite)

In Euclidean geometry, a deltoid is a quadrilateral with reflection symmetry across a diagonal. Because of this symmetry, a deltoid has two equal angles and two pairs of adjacent equal-length sides.

First Diagonal (d1):

Second Diagonal (d2):

Calculate

 

Dimensions	Formulas	Calculations
Area	D * d / 2	0
Perimeter	2 * (D + d)	0