Circle with Area 139.2859 Square Inches

Instant diameter calculation and visualization

Diameter

13.3171 inches

Radius

6.6585 inches

Circumference

41.8368 inches

Area

139.2859 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 = √(139.2859/π) = 6.6585 inches
d = 2 × 6.6585 = 13.3171 inches

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