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2)h² trójkąta=5²-2,5²=18,75
h=√18,75=(5√3):2
Ppods=(5*(5√3):2):2=(25√3):4
V=5*Ppods=125√3):4
3)h trapezu=4
Ppods=((8+2)*4):2=20
V=20*6=120