Gallery:Files by User Hans G. Oberlack/Basic sangaku shapes

Base shape C: Circle

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Base shape E: Equilateral triangle

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Base shape F: Fan-shaped 120°-degree circular sector

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Base shape H: Semicircle

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Base shape Q: Square

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Base shape R: Right Isosceles Triangle

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Base shape S: Equilateral Hexagon

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Base shape V: Quarter Circle

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