Circle with Area 278.7425 Square Inches

Instant diameter calculation and visualization

Diameter

18.8389 inches

Radius

9.4195 inches

Circumference

59.1843 inches

Area

278.7425 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 = √(278.7425/π) = 9.4195 inches
d = 2 × 9.4195 = 18.8389 inches

Similar Calculations