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Calculate the perimeter (circumference) of an ellipse given major and minor axes

Measure or obtain the semi-major axis (a) and semi-minor axis (b) Then: Calculate the Ramanujan approximation factor Then: Multiply by π(a + b) with the correction factor.

Example: Input Semi-major: 5, Semi-minor: 3 gives a result of Perimeter: ≈25.53 (Approximation formula for accurate results).

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