Circle with Area 39.9258 Square Inches

Instant diameter calculation and visualization

Diameter

7.1299 inches

Radius

3.5649 inches

Circumference

22.3992 inches

Area

39.9258 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 = √(39.9258/π) = 3.5649 inches

                            d = 2 × 3.5649 = 7.1299 inches

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