Circle with Area 642.6887 Square Inches

Instant diameter calculation and visualization

Diameter

28.6059 inches

Radius

14.3029 inches

Circumference

89.868 inches

Area

642.6887 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 = √(642.6887/π) = 14.3029 inches

                            d = 2 × 14.3029 = 28.6059 inches

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