Circle with Area 78.5175 Square Inches

Instant diameter calculation and visualization

Diameter

9.9986 inches

Radius

4.9993 inches

Circumference

31.4115 inches

Area

78.5175 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 = √(78.5175/π) = 4.9993 inches
d = 2 × 4.9993 = 9.9986 inches

Similar Calculations