Circle with Area 387.9401 Square Inches

Instant diameter calculation and visualization

Diameter

22.2248 inches

Radius

11.1124 inches

Circumference

69.8212 inches

Area

387.9401 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 = √(387.9401/π) = 11.1124 inches

                            d = 2 × 11.1124 = 22.2248 inches

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