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2a=14√2
a=7√2
a√3=7√2*√3=7√6 czyli h=7√6
Pc=Pp+Pb
Pp=a²=(7√2)²=49*2=98cm²
Pb=4*7√2*7√6=196√12cm²
Pc=(98+196√12)cm²
V=Pp*h
V=98*7√6=672√6cm³