Circle with Area 42.9749 Square Inches

Instant diameter calculation and visualization

Diameter

7.3971 inches

Radius

3.6986 inches

Circumference

23.2387 inches

Area

42.9749 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 = √(42.9749/π) = 3.6986 inches
d = 2 × 3.6986 = 7.3971 inches

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