Circle with Area 378.8847 Square Inches

Instant diameter calculation and visualization

Diameter

21.9639 inches

Radius

10.9819 inches

Circumference

69.0015 inches

Area

378.8847 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 = √(378.8847/π) = 10.9819 inches
d = 2 × 10.9819 = 21.9639 inches

Similar Calculations