Circle with Area 258.8949 Square Inches

Instant diameter calculation and visualization

Diameter

18.1559 inches

Radius

9.0779 inches

Circumference

57.0383 inches

Area

258.8949 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

  1. Start with the circle area formula: A = πr²
  2. Solve for radius: r = √(A/π)
  3. Calculate diameter: d = 2r
r = √(258.8949/π) = 9.0779 inches
d = 2 × 9.0779 = 18.1559 inches

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