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Pp=6*12√3=72√3
Pb=6*20√3=120√3
Pc=192√3
V=1/3 PpH
H=8
V=1/3*72√3*8=192√3
Pp = 24√3 cm
H = 10 cm
Pb = 6*ah/2
Pb = 6*(4√3 cm*6)/2
Pb = 6*24√3 cm/2
Pb = 144√3 cm/2
Pb = 72√3 cm
V = 1/3Pp*H
V = 1/3*24√3 cm*10 cm
V = 24√3 cm*10 cm / 3
v = 240√3 cm/ 3
v = 80 cm3
Pc = Pp + Pb
Pc = 24√3 cm + 72√3 cm
Pc = 96√3 cm
Proszę. :)