Circle with Area 278.7744 Square Inches

Instant diameter calculation and visualization

Diameter

18.84 inches

Radius

9.42 inches

Circumference

59.1877 inches

Area

278.7744 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 = √(278.7744/π) = 9.42 inches
d = 2 × 9.42 = 18.84 inches

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