Circle with Area 39.6788 Square Inches

Instant diameter calculation and visualization

Diameter

7.1078 inches

Radius

3.5539 inches

Circumference

22.3298 inches

Area

39.6788 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 = √(39.6788/π) = 3.5539 inches

                            d = 2 × 3.5539 = 7.1078 inches

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