Circle with Area 129.0958 Square Inches

Instant diameter calculation and visualization

Diameter

12.8207 inches

Radius

6.4103 inches

Circumference

40.2774 inches

Area

129.0958 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 = √(129.0958/π) = 6.4103 inches

                            d = 2 × 6.4103 = 12.8207 inches

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