Circle with Area 42.1209 Square Inches

Instant diameter calculation and visualization

Diameter

7.3233 inches

Radius

3.6616 inches

Circumference

23.0067 inches

Area

42.1209 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 = √(42.1209/π) = 3.6616 inches

                            d = 2 × 3.6616 = 7.3233 inches

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