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Beginner

The chocolate muffin

Four isosceles triangles of base 1 and four of base √2 share their top vertex. What is the proportion brown : gold?

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Beginner

The blue pill

A regular octagon containing a blue hexagon. All line segments have equal length. What fraction is blue?

Categories
Beginner

The circus tent

A regular octagon is coloured as shown. What fraction of its area is red?