Pythagoras' Theorem Solely By Sliding

This is a demonstration of Proof 24 or, if you will, Proof 69 from the growing collection. The demonstration has been suggested Kevin "Starfox" Arima.

The proof is based on sliding back and forth three triangles.

To see how it works keep pressing the "Move" button.

This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at, download and install Java VM and enjoy the applet.

What if applet does not run?

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