Circle with Area 139.1821 Square Inches

Instant diameter calculation and visualization

Diameter

13.3121 inches

Radius

6.6561 inches

Circumference

41.8212 inches

Area

139.1821 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 = √(139.1821/π) = 6.6561 inches

                            d = 2 × 6.6561 = 13.3121 inches

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