New geometry puzzle from Catriona Agg just dropped:
https://livegeometry.com/CatrionaAgg/subdivided-hexagon-v
Live GeometrySubdivided Hexagon V · Catriona AggCatriona Agg's puzzle: “What fraction of this regular hexagon is shaded?” With links to Andrew Stacey's techniques and solutions at Mathforge Notes.
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