Circle with Area 19.9665 Square Inches

Instant diameter calculation and visualization

Diameter

5.042 inches

Radius

2.521 inches

Circumference

15.84 inches

Area

19.9665 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 = √(19.9665/π) = 2.521 inches
d = 2 × 2.521 = 5.042 inches

Similar Calculations