Circumference of an ellipse

How to find the circumference of an ellipse?

2 Answers

106

Asish Mahapatra ·2013-05-26 05:16:06

If you take an infinitely small length on the circumference the ellipse (ds)
then

ds = √(dx)²+(dy)²

=> ds = dx√1+(dydx)²

to get the circumference, calculate âˆ«ds.

2305

Shaswata Roy ·2013-05-23 23:25:26

Its given that the semi major axis and the semi minor axis are a and b respectively.What is the circumference of the ellipse?

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