240*3=720
720:80=9
Pp=80 cm2
V= 240cm3
V=1/3 Pp*h
3*V= Pp* h
h= 3 V:Pp
h=3* 240 cm3 : 80 cm2
h=720 cm3:80 cm2= 9 cm
Odp. Wysokośc ostrosłupa wynosi 9 cm
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240*3=720
720:80=9
Pp=80 cm2
V= 240cm3
V=1/3 Pp*h
3*V= Pp* h
h= 3 V:Pp
h=3* 240 cm3 : 80 cm2
h=720 cm3:80 cm2= 9 cm
Odp. Wysokośc ostrosłupa wynosi 9 cm