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Sangaku: Square - 3 Arcs - Circle

作成者:Bill Lombard
トピック:円, 正方形
Sangaku: Square - 3 Arcs - Circle Find a relationship between the radius of the inscribed circle and the side of the square. (A. Bogomolny) http://www.hermay.org/jconstant/wasan/sangaku/index.html

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