Circle with Area 12.3907 Square Inches

Instant diameter calculation and visualization

Diameter

3.9719 inches

Radius

1.986 inches

Circumference

12.4782 inches

Area

12.3907 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 = √(12.3907/π) = 1.986 inches

                            d = 2 × 1.986 = 3.9719 inches

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