Circle with Area 18.7875 Square Inches

Instant diameter calculation and visualization

Diameter

4.8909 inches

Radius

2.4455 inches

Circumference

15.3652 inches

Area

18.7875 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 = √(18.7875/π) = 2.4455 inches

                            d = 2 × 2.4455 = 4.8909 inches

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