Direct Link: http://store.payloadz.com/go/?id=241427
Product media
A Sketchpad investigation involving triangles & quadrilaterals (eBooks)
PAYLOADZ-EXPRESS-1
About this item:
Published article by Michael de Villiers shows interesting generalizations of the area property of Varignon s theorem as well as the area property of the median triangle. Proofs require some basic algebra. A suitable investigation or project using Sketchpad for high school students.
