podstawa:
a=2dm=20cm
Pp=½a²=½×20²=200cm²
v=Pph=200h=400cm³
h=400:200=2cm=wysokośc
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podstawa:
a=2dm=20cm
Pp=½a²=½×20²=200cm²
v=Pph=200h=400cm³
h=400:200=2cm=wysokośc