Circle with Area 645.7866 Square Inches

Instant diameter calculation and visualization

Diameter

28.6747 inches

Radius

14.3374 inches

Circumference

90.0844 inches

Area

645.7866 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 = √(645.7866/π) = 14.3374 inches
d = 2 × 14.3374 = 28.6747 inches

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