Circle with Area 81.1381 Square Inches

Instant diameter calculation and visualization

Diameter

10.1641 inches

Radius

5.082 inches

Circumference

31.9314 inches

Area

81.1381 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

Start with the circle area formula: A = πr²
Solve for radius: r = √(A/π)
Calculate diameter: d = 2r


                            r = √(81.1381/π) = 5.082 inches

                            d = 2 × 5.082 = 10.1641 inches

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