A circle is inscribed within a square with a side length of 18 cm. Find the area of the part of the square not covered by the circle.
A.80.00 cm²
B.69.53 cm²✓ Correct
C.64.12cm²
D.74.28 cm²
Explanation
Area of square = 18² = 324 cm². Radius of inscribed circle = 9 cm. Area of circle = π×9² = 81π ≈ 254.47 cm². Area not covered = 324 - 254.47 ≈ 69.53 cm².
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