Ellipse

.
major axis (transverse diamet) a
minor axis (conjugate diamete) b
major axis (transverse diamet) a
minor axis (conjugate diamete) b
Numerical eccentricity eps=sqrt(a*a-b*b)/a
Linear eccentricity e=sqrt(a*a-b*b)
Circumference U
Area pi*a*a*sqrt(1-eps+eps)


 



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