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a=dł. krawedzi podstawy=3cm
Pp=6a²√3/4=6*3²√3/4=13,5√3
k=wysokosc sciany=6cm
Pb=6*1/2ak=3*3*6=54cm²
2]
a=5
b=6
c=10
Pp=ab=5*3=30
Pb=2ac+2bc=2*5*10+2*6*10=100+120=220
Pc=2*30+220=280cm²