Circle with Area 2.1225 Square Inches

Instant diameter calculation and visualization

Diameter

1.6439 inches

Radius

0.822 inches

Circumference

5.1645 inches

Area

2.1225 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 = √(2.1225/π) = 0.822 inches
d = 2 × 0.822 = 1.6439 inches

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