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H=15cm
Pp=V:H
Pp=180:15
Pp=12cm2 <- pole postawy
Jak coś to pisz na pw. :)
Pp=?
V= 180cm³
H= 15 cm
Pp × 15 cm = 180 cm³
Pp = 180cm³ ÷ 15 cm²
Pp = 12 cm²