Circle with Area 397.4978 Square Inches

Instant diameter calculation and visualization

Diameter

22.4969 inches

Radius

11.2484 inches

Circumference

70.6761 inches

Area

397.4978 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 = √(397.4978/π) = 11.2484 inches

                            d = 2 × 11.2484 = 22.4969 inches

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