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Geometry Problem 646: Archimedes' Book of Lemmas: Proposition 7, Square and Circles, Area

The area of the circumscribed circle about a square is double of the area of the inscribed circle in the square.
 

Arimedes Lemma 7, Square, Inscribed and Circumscribed Circles
 
 


Books of Lemmas Index

Proposition 1
Proposition 2
Proposition 3
Proposition 4
Proposition 5
Proposition 6
Proposition 7
Proposition 8
Proposition 9
Proposition 10
Proposition 11
Proposition 12
Proposition 13
Proposition 14
Proposition 15

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