Circle with Area 39.8725 Square Inches

Instant diameter calculation and visualization

Diameter

7.1251 inches

Radius

3.5626 inches

Circumference

22.3842 inches

Area

39.8725 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 = √(39.8725/π) = 3.5626 inches
d = 2 × 3.5626 = 7.1251 inches

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