eJMT Abstract


Title Investigative Activity for Discovering Hidden Geometric Properties
Author Moshe STUPEL, Avi SIGLER and Idan TAL
Volume 12
Number 1


We present 5 conservation properties in the context of circles inscribed in a triangle and of circles circumscribing polygons, which are not widely known. The properties were investigated using computerized geometric software. Each property is substantiated by a mathematical proof.