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by Brian Gladman on September 20, 2014

Sunday Times Teaser 2713 – Very Similar Triangles

by Michael Fletcher

I have cut two mathematically similar triangles of different sizes from an A4 sheet of paper.  All the sides of these triangles are integer numbers of centimetres and two sides of the first are the same as two sides of the second.

How long are the sides of the smaller triangle?

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