Circle with Area 378.4787 Square Inches

Instant diameter calculation and visualization

Diameter

21.9521 inches

Radius

10.976 inches

Circumference

68.9645 inches

Area

378.4787 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 = √(378.4787/π) = 10.976 inches
d = 2 × 10.976 = 21.9521 inches

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