Circle with Area 39.9377 Square Inches

Instant diameter calculation and visualization

Diameter

7.1309 inches

Radius

3.5655 inches

Circumference

22.4025 inches

Area

39.9377 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 = √(39.9377/π) = 3.5655 inches

                            d = 2 × 3.5655 = 7.1309 inches

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