please answer me fast
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keep it clearly we can't see
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Step-by-step explanation:
Area of shaded region is
=area of square -area of circle
area of square is= a2
radius of the circle is a/2
area of circle is πr²=π(a/2)² =πa²/4
area of shaded region is =a²-πa²/4
=a²(1-π/4)
=a²(4-π)÷4
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