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2r= 6cm
h= 8cm
l:
64+9= l²
l=√73
pc= 2π3(3+√73)
pc= 6π(3+√73)
v= 1/3*π*9*8
v= 24π
r=3
d=6
h=6+2=8
l=?
3²+8²=l²
l=√73
V=1/3π*3²*8=24cm³
Pc=π3(3+√73)=9π√73cm²