Wednesday, March 28, 2012

Overlapping Squares II

1.) Move the red point. What do you observe?
2.) What can you say about the green and the blue triangles?
3.) Make a conjecture about the triangles.

    This is a Java Applet created using GeoGebra from - it looks like you don't have Java installed, please go to

4.) Click the Show Blue Point  check box to show the blue point at the upper right vertex of the bigger square.
5.) Move the point to rotate the triangle.Did your conjecture hold?
6.) Challenge: Prove your conjecture.

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