Question 840549
ellipse
foci | ((3, 1-sqrt(3))  |  (3, 1+sqrt(3)))=((3, -0.732051)  |  (3, 2.73205))
vertices | (3, -1)  |  (3, 3)
center | (3, 1)
semimajor axis length | 2
semiminor axis length | 1
area | 2 pi=6.28319
perimeter | 8 E(3/4)=9.68845
focal parameter | 1/sqrt(3)=0.57735
eccentricity | sqrt(3)/2=0.866025