Circle with Area 81.1285 Square Inches

Instant diameter calculation and visualization

Diameter

10.1635 inches

Radius

5.0817 inches

Circumference

31.9295 inches

Area

81.1285 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 = √(81.1285/π) = 5.0817 inches

                            d = 2 × 5.0817 = 10.1635 inches

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