Circle with Area 78.1106 Square Inches

Instant diameter calculation and visualization

Diameter

9.9726 inches

Radius

4.9863 inches

Circumference

31.33 inches

Area

78.1106 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 = √(78.1106/π) = 4.9863 inches
d = 2 × 4.9863 = 9.9726 inches

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