Circle with Area 393.1898 Square Inches

Instant diameter calculation and visualization

Diameter

22.3746 inches

Radius

11.1873 inches

Circumference

70.292 inches

Area

393.1898 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 = √(393.1898/π) = 11.1873 inches

                            d = 2 × 11.1873 = 22.3746 inches

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