Circle with Area 21.3016 Square Inches

Instant diameter calculation and visualization

Diameter

5.2079 inches

Radius

2.6039 inches

Circumference

16.361 inches

Area

21.3016 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 = √(21.3016/π) = 2.6039 inches

                            d = 2 × 2.6039 = 5.2079 inches

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