Circle with Area 389.1739 Square Inches

Instant diameter calculation and visualization

Diameter

22.2601 inches

Radius

11.13 inches

Circumference

69.9321 inches

Area

389.1739 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 = √(389.1739/π) = 11.13 inches
d = 2 × 11.13 = 22.2601 inches

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