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V=Pp*H
Pp=6*a²√3/4=a²3√3/2
Pp=(3√3)²*3√3/2=9*3*3√3/2=81√3/2
V=81√3/2 * 2√3=81*3=243
Odp. D
2.
V=Pp*H
Pp*5=45√3
Pp=9√3
a²√3/4=9√3 /*4
a²=9*4
a²=36
a=6
Odp. B