Circle with Area 378.9539 Square Inches

Instant diameter calculation and visualization

Diameter

21.9659 inches

Radius

10.9829 inches

Circumference

69.0078 inches

Area

378.9539 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 = √(378.9539/π) = 10.9829 inches

                            d = 2 × 10.9829 = 21.9659 inches

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