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Math Forum » Discussions » Math Topics » geometry.pre-college.independent

Topic: A single term formula for calculating the circumference of ellipse
Replies: 8   Last Post: Jan 6, 2013 3:37 AM

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thomasinventions@yahoo.com

Posts: 35
Registered: 12/23/11
Re: A single term formula for calculating the circumference of ellipse
Posted: Feb 2, 2012 2:11 PM
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Compare to:

C=pi(a+b)[(3+h)+(pi-3)(1-h)^p]

With p=1.498, the max rel error is about 0.07%

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