Circle with Area 638.7931 Square Inches

Instant diameter calculation and visualization

Diameter

28.5191 inches

Radius

14.2595 inches

Circumference

89.5953 inches

Area

638.7931 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 = √(638.7931/π) = 14.2595 inches

                            d = 2 × 14.2595 = 28.5191 inches

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