Circle with Area 39.9612 Square Inches

Instant diameter calculation and visualization

Diameter

7.133 inches

Radius

3.5665 inches

Circumference

22.4091 inches

Area

39.9612 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 = √(39.9612/π) = 3.5665 inches
d = 2 × 3.5665 = 7.133 inches

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