Circle with Area 398.2016 Square Inches

Instant diameter calculation and visualization

Diameter

22.5168 inches

Radius

11.2584 inches

Circumference

70.7386 inches

Area

398.2016 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 = √(398.2016/π) = 11.2584 inches

                            d = 2 × 11.2584 = 22.5168 inches

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