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let X be the length of chord | let X be the length of chord | ||
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| + | <math>fx(X)=2*\sqrt{R^2-D^2} if 0<D<R </math> | ||
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| + | <math>fx(X)=2*R if D=0</math> | ||
| + | |||
| + | <math>fx(X)=0 else</math> | ||
Revision as of 16:43, 6 October 2008
Blue line => $ L/2 = \sqrt{R^2-D^2} $
Length $ = 2*(L/2)=2*\sqrt{R^2-D^2} $
let X be the length of chord
$ fx(X)=2*\sqrt{R^2-D^2} if 0<D<R $
$ fx(X)=2*R if D=0 $
$ fx(X)=0 else $
