Circle with Area 12.3939 Square Inches

Instant diameter calculation and visualization

Diameter

3.9725 inches

Radius

1.9862 inches

Circumference

12.4798 inches

Area

12.3939 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 = √(12.3939/π) = 1.9862 inches

                            d = 2 × 1.9862 = 3.9725 inches

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