Circle with Area 129.4757 Square Inches

Instant diameter calculation and visualization

Diameter

12.8395 inches

Radius

6.4198 inches

Circumference

40.3366 inches

Area

129.4757 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 = √(129.4757/π) = 6.4198 inches

                            d = 2 × 6.4198 = 12.8395 inches

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