The four-gon family tree

Ramachandran, A. (2012) The four-gon family tree. At Right Angles, 1 (1). pp. 53-57.

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Abstract

A Diagonal Connect Classification is traditionally defined as the precinct of biologists. But classifi- cation has great pedagogical implications — based as it is on the properties of the objects being classified. A look at a familiar class of polygons — the quadrilaterals — and how they can be reorganized in a different way. quadrilaterals have traditionally been classified on the basis of their sides (being equal, perpendicular, paral- lel or angles (being equal, supplementary, ...). Here we present a classification based on certain properties of their diagonals. In this approach, cert

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Articles in APF Magazines

Authors:

Ramachandran, A.

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