Circle with Area 397.7779 Square Inches

Instant diameter calculation and visualization

Diameter

22.5048 inches

Radius

11.2524 inches

Circumference

70.701 inches

Area

397.7779 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 = √(397.7779/π) = 11.2524 inches

                            d = 2 × 11.2524 = 22.5048 inches

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