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Question

In the above figure, a square is inscribed in a circle of diameter d and another square is circumscribing the circle. Find the ratio of the area of the outer square to the area of the inner square.
1226979_cda787a0f3f24a82a075d229424a322c.png

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Solution

The side of the big square is equal to the diameter of the circle and the length of the diagonal of the small square is equal to the diameter of the circle.

Let b1 be the side of the big square and b2 be the side of the small square.

So, we can say that b1=d.

And,
b22+b22=d2
2b2=d
b2=d2

Now the ratio of the area of two squares will be,
Ratio of area=b21b22=d2(d2)2=d22d2=2

1331088_1226979_ans_2070b07d99d445c7b472496f6d6fe0b4.png

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