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Topic: Hierarchical Quadrilateral Tree
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Michael de Villiers

Posts: 274
Registered: 12/3/04
Hierarchical Quadrilateral Tree
Posted: Apr 1, 2011 2:57 PM
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Free dynamic Sketchpad 4 and Sketchpad 5 sketches that illustrate a Hierarchical Quadrilateral Tree can be downloaded from Sketchpad Exchange at http://sketchexchange.keypress.com/sketch/view/132/hierarchical-quadrilateral-tree

It shows the hierarchical relationships between several quadrilaterals as well as some of their their properties. Apart from the familiar ones, it includes isosceles trapezoids, cyclic & circumscribed quadrilaterals.

Hope teachers find it useful.

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