Direct Link: http://store.payloadz.com/go?id=241427
Product media
A Sketchpad investigation involving triangles & quadrilaterals(eBooks)
A Sketchpad investigation involving triangles & quadrilaterals
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.
