Circle with Area 18.7809 Square Inches

Instant diameter calculation and visualization

Diameter

4.89 inches

Radius

2.445 inches

Circumference

15.3625 inches

Area

18.7809 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 = √(18.7809/π) = 2.445 inches

                            d = 2 × 2.445 = 4.89 inches

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