Circle with Area 0.3921 Square Inches

Instant diameter calculation and visualization

Diameter

0.7066 inches

Radius

0.3533 inches

Circumference

2.2197 inches

Area

0.3921 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 = √(0.3921/π) = 0.3533 inches
d = 2 × 0.3533 = 0.7066 inches

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