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stacked triangles

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Stacked Triangles

Posted on Jul 29, 2019

Stacked Triangles

Three of the triangles in this stack are equilateral. Find the sum of the pink and green areas.

Revised 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, stacked triangles techniques