Circle with Area 278.3361 Square Inches

Instant diameter calculation and visualization

Diameter

18.8252 inches

Radius

9.4126 inches

Circumference

59.1411 inches

Area

278.3361 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 = √(278.3361/π) = 9.4126 inches

                            d = 2 × 9.4126 = 18.8252 inches

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