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three triangles in a square

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Three Triangles in a Square

Posted on Aug 20, 2019

Three Triangles in a Square

Inside this square are three triangles of equal area. How long is the red line?

Created on May 9, 2021 20:55:55 by Andrew Stacey
Views: Print | TeX | Source | Linked from: Catriona Agg's puzzles, Catriona Agg's puzzles 2019, three triangles in a square solution, three triangles in a square techniques