Circle with Area 3.8978 Square Inches

Instant diameter calculation and visualization

Diameter

2.2277 inches

Radius

1.1139 inches

Circumference

6.9987 inches

Area

3.8978 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 = √(3.8978/π) = 1.1139 inches
d = 2 × 1.1139 = 2.2277 inches

Similar Calculations