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quadrilateral splitting a semi-circle

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Quadrilateral Splitting a Semi-Circle

Posted on Apr 1, 2020

Quadrilateral Splitting a Semi-Circle

In total, the blue arcs have the same length as the red. What’s the sum of these two angles?

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 2020, quadrilateral splitting a semi-circle techniques