Circle with Area 129.8268 Square Inches

Instant diameter calculation and visualization

Diameter

12.8569 inches

Radius

6.4285 inches

Circumference

40.3912 inches

Area

129.8268 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 = √(129.8268/π) = 6.4285 inches
d = 2 × 6.4285 = 12.8569 inches

Similar Calculations