Circle with Area 18.6879 Square Inches

Instant diameter calculation and visualization

Diameter

4.8779 inches

Radius

2.439 inches

Circumference

15.3245 inches

Area

18.6879 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 = √(18.6879/π) = 2.439 inches
d = 2 × 2.439 = 4.8779 inches

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