Circle with Area 221.1939 Square Inches

Instant diameter calculation and visualization

Diameter

16.7819 inches

Radius

8.391 inches

Circumference

52.722 inches

Area

221.1939 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 = √(221.1939/π) = 8.391 inches
d = 2 × 8.391 = 16.7819 inches

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