Circle with Area 312.9446 Square Inches

Instant diameter calculation and visualization

Diameter

19.9613 inches

Radius

9.9806 inches

Circumference

62.7103 inches

Area

312.9446 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 = √(312.9446/π) = 9.9806 inches

                            d = 2 × 9.9806 = 19.9613 inches

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