Circle with Area 128.0769 Square Inches

Instant diameter calculation and visualization

Diameter

12.77 inches

Radius

6.385 inches

Circumference

40.1181 inches

Area

128.0769 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 = √(128.0769/π) = 6.385 inches

                            d = 2 × 6.385 = 12.77 inches

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