Circle with Area 42.1957 Square Inches

Instant diameter calculation and visualization

Diameter

7.3297 inches

Radius

3.6649 inches

Circumference

23.0271 inches

Area

42.1957 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 = √(42.1957/π) = 3.6649 inches

                            d = 2 × 3.6649 = 7.3297 inches

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