Circle with Area 129.8934 Square Inches

Instant diameter calculation and visualization

Diameter

12.8602 inches

Radius

6.4301 inches

Circumference

40.4016 inches

Area

129.8934 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 = √(129.8934/π) = 6.4301 inches

                            d = 2 × 6.4301 = 12.8602 inches

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