Circle with Area 128.8042 Square Inches

Instant diameter calculation and visualization

Diameter

12.8062 inches

Radius

6.4031 inches

Circumference

40.2318 inches

Area

128.8042 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 = √(128.8042/π) = 6.4031 inches
d = 2 × 6.4031 = 12.8062 inches

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