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Assume a circle(a) of diameter d. Inscribe a square A centred in the circle with its diagonal equal to the diameter of the circle. Now escribe a square B with the sides equal to the diameter of the circle. Show how to obtain the ratio of the area of square A to square to the area of square B.

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closed as off topic by Qmechanic, dmckee Nov 9 '12 at 7:14

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Sorry! This should be in Mathematics –  user15807 Nov 9 '12 at 6:15
As I'm not really clear on Math.SE's policy on question like this I'm not going to migrate it. Hint: Dividing one of the squares into triangles might lead in the right direction. –  dmckee Nov 9 '12 at 7:16

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