Circle with Area 318.6389 Square Inches

Instant diameter calculation and visualization

Diameter

20.1421 inches

Radius

10.071 inches

Circumference

63.2782 inches

Area

318.6389 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 = √(318.6389/π) = 10.071 inches
d = 2 × 10.071 = 20.1421 inches

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