Question 902287
Surface area?
Front and back faces : {{{A[s1]=2*(pi*R^2)=2piZ^2}}}
Cylindrical portion : {{{A[s2]=2*pi*R*H=2*pi*Z*A}}}
Total area : {{{A[s]=2pi*Z^2+2pi*ZA}}}
{{{A[s]=2pi*Z(Z+A)}}}