Circle with Area 398.5875 Square Inches

Instant diameter calculation and visualization

Diameter

22.5277 inches

Radius

11.2639 inches

Circumference

70.7729 inches

Area

398.5875 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 = √(398.5875/π) = 11.2639 inches
d = 2 × 11.2639 = 22.5277 inches

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