Circle with Area 321.4781 Square Inches

Instant diameter calculation and visualization

Diameter

20.2316 inches

Radius

10.1158 inches

Circumference

63.5595 inches

Area

321.4781 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 = √(321.4781/π) = 10.1158 inches

                            d = 2 × 10.1158 = 20.2316 inches

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