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three equilateral triangles and a semi-circle

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Three Equilateral Triangles and a Semi-Circle

Posted on Aug 2, 2019

Three Equilateral Triangles and a Semi-Circle

The three equilateral triangles have sides of length 1212. What’s the area of the semicircle?

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, three equilateral triangles and a semi-circle techniques