Wednesday, April 6, 2011

Paper folding and proof

In this applet, we will show how to construct a quadrilateral by simulating the paper folding process.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)


1.) After step 1 (at p=3), what can you observe? What statements can you make?
2.) After step 2 (at p= 3 and q = 3), what can you say about the overlapping triangles?
3.) After step 3, what kind of quadrilateral is ABCD?  Justify your answer.

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