Circle with Area 278.6397 Square Inches

Instant diameter calculation and visualization

Diameter

18.8355 inches

Radius

9.4177 inches

Circumference

59.1734 inches

Area

278.6397 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 = √(278.6397/π) = 9.4177 inches
d = 2 × 9.4177 = 18.8355 inches

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