Circle with Area 398.7809 Square Inches

Instant diameter calculation and visualization

Diameter

22.5332 inches

Radius

11.2666 inches

Circumference

70.79 inches

Area

398.7809 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 = √(398.7809/π) = 11.2666 inches
d = 2 × 11.2666 = 22.5332 inches

Similar Calculations