Circle with Area 278.7149 Square Inches

Instant diameter calculation and visualization

Diameter

18.838 inches

Radius

9.419 inches

Circumference

59.1814 inches

Area

278.7149 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 = √(278.7149/π) = 9.419 inches
d = 2 × 9.419 = 18.838 inches

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