(A)Axis:Majoraxisisalongthex−axis,foci:(±10√3,0),vertices:(±20,0),Lengthofmajoraxis=40,lengthoftheminoraxis:20,eccentricitye=√3/2,lengthofthelatusrectum=10(B)Axis:Majoraxisisalongthex−axis,foci:(±√3,0),vertices:(±40,0),Lengthofmajoraxis=40,lengthoftheminoraxis:20,eccentricitye=√3/2,lengthofthelatusrectum=10(C)Axis:Majoraxisisalongthey−axis,foci:(0,±√3),vertices:(0,±40),Lengthofmajoraxis=40,lengthoftheminoraxis:20,eccentricitye=√3/2,lengthofthelatusrectum=10(D)Axis:Majoraxisisalongthey−axis,foci:(0,±10√3),vertices:(0,±20),Lengthofmajoraxis=40,lengthoftheminoraxis:20,eccentricitye=√3/2,lengthofthelatusrectum=10