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V = 9 * 7 = 63cm³
Pc = 2Pp + Pb
Pb = a*h
a = √9
a = 3
Pb = 3*7 = 21cm
Pc = 2*9 + 4*21
Pc = 18 + 84
Pc = 102cm₂
Objętość wynosi 63cm³, a pole całkowite 102cm²
Pp=9 cm²
V=Pp*H
V=7*9
V=63 cm³
Pc= 4*Pb+2*Pp
Pb=4(7*3)
Pb= 84 cm²
Pc= 18 cm² + 84 cm²
Pc= 102 cm²
Pp=9cm²
Pp=a²
a²=9
a=3
Pb=4*3*7=84
Pc=84+2*9=84+18=102
V=9*7=63