Circle with Area 640.665 Square Inches

Instant diameter calculation and visualization

Diameter

28.5608 inches

Radius

14.2804 inches

Circumference

89.7264 inches

Area

640.665 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 = √(640.665/π) = 14.2804 inches

                            d = 2 × 14.2804 = 28.5608 inches

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