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v=PpH
36CM³=3×4H
H=36:12
H=3cm
b)
36cm³=½d₁d₂H
36=½×6×8H
H=36:24
H=1,5 cm
V = Pp × H → H = V : Pp
a) Pp = ab
Pp = 3cm × 4cm
Pp = 12cm²
H = 36cm³ : 12cm² = 3cm
b) Pp = (e×f)/2
Pp = (6cm×8cm)/2
Pp = 48cm² : 2
Pp = 24cm²
H = 36cm³ : 24cm² = 1,5cm