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H=10cm
Pp=½(a+b)h
a=4cm
b=3cm
h=2cm
Pp=½(3+4)*2=7cm²
V=⅓*7*10=70/3cm³=23⅓cm³
P-pole podstawy
h=wysokość ostrosłupa
P=½(a+b)*h
P=½(3cm+4cm)*2cm
P=½*7cm*2cm=7cm²
V=⅓*7cm²*10cm
V=70cm³/3
V=23⅓cm³