Circle with Area 81.1295 Square Inches

Instant diameter calculation and visualization

Diameter

10.1635 inches

Radius

5.0818 inches

Circumference

31.9297 inches

Area

81.1295 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 = √(81.1295/π) = 5.0818 inches
d = 2 × 5.0818 = 10.1635 inches

Similar Calculations