Circle with Area 387.1913 Square Inches

Instant diameter calculation and visualization

Diameter

22.2033 inches

Radius

11.1017 inches

Circumference

69.7538 inches

Area

387.1913 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 = √(387.1913/π) = 11.1017 inches

                            d = 2 × 11.1017 = 22.2033 inches

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