Circle with Area 81.919 Square Inches

Instant diameter calculation and visualization

Diameter

10.2129 inches

Radius

5.1064 inches

Circumference

32.0846 inches

Area

81.919 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 = √(81.919/π) = 5.1064 inches
d = 2 × 5.1064 = 10.2129 inches

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