Circle with Area 39.42 Square Inches

Instant diameter calculation and visualization

Diameter

7.0846 inches

Radius

3.5423 inches

Circumference

22.2568 inches

Area

39.42 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 = √(39.42/π) = 3.5423 inches
d = 2 × 3.5423 = 7.0846 inches

Similar Calculations