don steward
mathematics teaching 10 ~ 16

Monday, 17 February 2014

a five-reptile

what are the proportions for the lengths of sides of a right angled triangle if five of them (all congruent) make up a triangle similar to the original?

thanks to John Golden (math hombre) for pointing out that this forms the basis of the aperiodic 'pinwheel' tiling by John Conway

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