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# The Animation of Geometric Proofs

Brian R. Stonebridge, The Animation of Geometric Proofs. CSTR-95-020, Department of Computer Science, University of Bristol. September 1995. No electronic version available.
## Abstract

Computer graphics techniques can be used to show dynamic animations of geometrical proof. In static displays, for instance on paper, blends can give a similar impression. We present a novel proof of Pythagoras' Theorem. It relies upon scaling the right-angled triangle by multiplying it by a, b, and c and rotating the first two of the resulting triangles through the adjacent angles to lie along the hypotenuse of the third. This is demonstrated using blends for the transformations. ------------------------------------------------------------ This report has been accepted for publication in "Mathematical Spectrum".

Bibtex entry.

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