Circle with Area 139.3939 Square Inches

Instant diameter calculation and visualization

Diameter

13.3222 inches

Radius

6.6611 inches

Circumference

41.853 inches

Area

139.3939 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 = √(139.3939/π) = 6.6611 inches
d = 2 × 6.6611 = 13.3222 inches

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