Circle with Area 66.155 Square Inches

Instant diameter calculation and visualization

Diameter

9.1778 inches

Radius

4.5889 inches

Circumference

28.8328 inches

Area

66.155 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 = √(66.155/π) = 4.5889 inches

                            d = 2 × 4.5889 = 9.1778 inches

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