# Sky Region

Geometry Level 4

Find the area of the sky region if radius of circle is $$\frac{1}{4}$$ and each side of the square is 1.

The area of sky region is looks like as $$\frac{a-\sqrt{b}}{c}$$, where $$a$$, $$b$$, $$c$$ are positive integers and $$b$$ is square free then find $$a+b-c$$.

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