Circle with Area 66.6951 Square Inches

Instant diameter calculation and visualization

Diameter

9.2151 inches

Radius

4.6076 inches

Circumference

28.9502 inches

Area

66.6951 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 = √(66.6951/π) = 4.6076 inches
d = 2 × 4.6076 = 9.2151 inches

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