Circle with Area 389.7726 Square Inches

Instant diameter calculation and visualization

Diameter

22.2772 inches

Radius

11.1386 inches

Circumference

69.9859 inches

Area

389.7726 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 = √(389.7726/π) = 11.1386 inches

                            d = 2 × 11.1386 = 22.2772 inches

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