Circle with Area 138.1556 Square Inches

Instant diameter calculation and visualization

Diameter

13.2629 inches

Radius

6.6315 inches

Circumference

41.6667 inches

Area

138.1556 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 = √(138.1556/π) = 6.6315 inches

                            d = 2 × 6.6315 = 13.2629 inches

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