V = 1/3Pp*H
Pp = a²√3/4 = 9√3/4 = 2,25√3
1/3Pp = 1/3 * 2,25√3 = 0,75√3
Pc=0,75√3*4=3√3
Pc=Pp+Pb
Pp=2,25√3
Pb=a*h/2=3*4/2=12/2=6
Pc=2,25√3+6
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V = 1/3Pp*H
Pp = a²√3/4 = 9√3/4 = 2,25√3
1/3Pp = 1/3 * 2,25√3 = 0,75√3
Pc=0,75√3*4=3√3
Pc=Pp+Pb
Pp=2,25√3
Pb=a*h/2=3*4/2=12/2=6
Pc=2,25√3+6