8)
Var
V,S,R,H : Real;
Begin
Write('Введите R и H : '); Readln(R,H);
Writeln('V = ',Pi*sqr(R)*H);
Writeln('S = ',2*Pi*R*H);
end.
9)
Var
V,S,R,H,L : Real;
Begin
Write('Введите R,H и L : '); Readln(R,H,L);
Writeln('V = ',Pi*sqr(R)*H/3);
Writeln('S = ',Pi*R*L);
end.