Circle with Area 66.5431 Square Inches

Instant diameter calculation and visualization

Diameter

9.2046 inches

Radius

4.6023 inches

Circumference

28.9172 inches

Area

66.5431 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 = √(66.5431/π) = 4.6023 inches

                            d = 2 × 4.6023 = 9.2046 inches

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