Circle with Area 639.809 Square Inches

Instant diameter calculation and visualization

Diameter

28.5417 inches

Radius

14.2709 inches

Circumference

89.6665 inches

Area

639.809 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 = √(639.809/π) = 14.2709 inches

                            d = 2 × 14.2709 = 28.5417 inches

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