Circle with Area 398.5685 Square Inches

Instant diameter calculation and visualization

Diameter

22.5272 inches

Radius

11.2636 inches

Circumference

70.7712 inches

Area

398.5685 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 = √(398.5685/π) = 11.2636 inches
d = 2 × 11.2636 = 22.5272 inches

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