Circle with Area 521.1921 Square Inches

Instant diameter calculation and visualization

Diameter

25.7605 inches

Radius

12.8802 inches

Circumference

80.9289 inches

Area

521.1921 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 = √(521.1921/π) = 12.8802 inches
d = 2 × 12.8802 = 25.7605 inches

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