Circle with Area 646.1933 Square Inches

Instant diameter calculation and visualization

Diameter

28.6838 inches

Radius

14.3419 inches

Circumference

90.1127 inches

Area

646.1933 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 = √(646.1933/π) = 14.3419 inches

                            d = 2 × 14.3419 = 28.6838 inches

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