Supportive documents

A C++ program written to support the paper
S. Siegel, "The Angles between the Sides of a Quadrilateral and its Diagonals," Mathematics Teacher 99 (2006), 653-655 in order to identify quadrilaterals whose angles are integers (in degree measure).


The program code
The output file - the reader is reminded that computing with real numbers is approximate; therefore, an entry of this file may not represent a true integer solution.