Circle with Area 18.7122 Square Inches

Instant diameter calculation and visualization

Diameter

4.8811 inches

Radius

2.4405 inches

Circumference

15.3344 inches

Area

18.7122 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 = √(18.7122/π) = 2.4405 inches
d = 2 × 2.4405 = 4.8811 inches

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