Circle with Area 390.5193 Square Inches

Instant diameter calculation and visualization

Diameter

22.2985 inches

Radius

11.1493 inches

Circumference

70.0529 inches

Area

390.5193 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 = √(390.5193/π) = 11.1493 inches

                            d = 2 × 11.1493 = 22.2985 inches

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