Circle with Area 12.4129 Square Inches

Instant diameter calculation and visualization

Diameter

3.9755 inches

Radius

1.9877 inches

Circumference

12.4894 inches

Area

12.4129 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 = √(12.4129/π) = 1.9877 inches
d = 2 × 1.9877 = 3.9755 inches

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