The difference in area? If you know the side of the square is of length 4 then you can use pytharogas' theorem to find the length of the diagonal. From that find the radius of the circle and the area of the circle.

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- June 29th 2013, 01:17 AM #1

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## ask

hi, i have picture like this :

http://www.x3m.biz/cd.JPG

the question is how to find dependence between circle and square based on the same diagonal

- June 29th 2013, 02:04 AM #2

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