Circle with Area 138.4078 Square Inches

Instant diameter calculation and visualization

Diameter

13.275 inches

Radius

6.6375 inches

Circumference

41.7047 inches

Area

138.4078 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 = √(138.4078/π) = 6.6375 inches
d = 2 × 6.6375 = 13.275 inches

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