Circle with Area 278.4021 Square Inches

Instant diameter calculation and visualization

Diameter

18.8274 inches

Radius

9.4137 inches

Circumference

59.1482 inches

Area

278.4021 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 = √(278.4021/π) = 9.4137 inches

                            d = 2 × 9.4137 = 18.8274 inches

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