Circle with Area 21.4337 Square Inches

Instant diameter calculation and visualization

Diameter

5.224 inches

Radius

2.612 inches

Circumference

16.4117 inches

Area

21.4337 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 = √(21.4337/π) = 2.612 inches
d = 2 × 2.612 = 5.224 inches

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