Circle with Area 312.7158 Square Inches

Instant diameter calculation and visualization

Diameter

19.954 inches

Radius

9.977 inches

Circumference

62.6873 inches

Area

312.7158 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 = √(312.7158/π) = 9.977 inches

                            d = 2 × 9.977 = 19.954 inches

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