Circle with Area 77.7969 Square Inches

Instant diameter calculation and visualization

Diameter

9.9526 inches

Radius

4.9763 inches

Circumference

31.267 inches

Area

77.7969 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 = √(77.7969/π) = 4.9763 inches
d = 2 × 4.9763 = 9.9526 inches

Similar Calculations