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h=4 cm
b = 6 cm
a = 6+2x
H = 15 cm
Zad.3
Serek Jagody
Serek Marty
P_c=2*6*4+2(6+4)*H=48+20H
120+260H > 48+20H
Odp. Jagoda ma wiecej
Zad.4
75%=0,75
Ps - pole ściany
Pp - pole podstawy
H - wysokość graniastosłupa