geometry
posted by Sonia .
ABCD is a square with area =625 in square. The circumfrence centered in circle is circunscribed by ABCD. Find the approximately value of the shaded area. Use pie = 3.14

I don't see any shaded area. The side length of the square is 25. The radius of the inscribed circle is 12.5. The difference in areas is
625  pi(12.5)^2 = 134.1 in^2
= (1  pi/4)*625
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