Circle with Area 66.1902 Square Inches

Instant diameter calculation and visualization

Diameter

9.1802 inches

Radius

4.5901 inches

Circumference

28.8404 inches

Area

66.1902 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 = √(66.1902/π) = 4.5901 inches

                            d = 2 × 4.5901 = 9.1802 inches

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