Circle with Area 12.729 Square Inches

Instant diameter calculation and visualization

Diameter

4.0258 inches

Radius

2.0129 inches

Circumference

12.6474 inches

Area

12.729 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 = √(12.729/π) = 2.0129 inches
d = 2 × 2.0129 = 4.0258 inches

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