Circle with Area 644.4089 Square Inches

Instant diameter calculation and visualization

Diameter

28.6441 inches

Radius

14.3221 inches

Circumference

89.9882 inches

Area

644.4089 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 = √(644.4089/π) = 14.3221 inches

                            d = 2 × 14.3221 = 28.6441 inches

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