oblicz pole prostopadłoscianu o wymiarach
4cmx4cmx7cm
11cmx9cmx3cm3
3mx1dm x2 m
V=a*b*h
v=4cm*4cm*7cm
V=112cm³
V=11cm*9cm*3cm
V=297 cm³
zamieniam jednostki na dm
3m=30dm
2m=20 dm
V=30dm*1dm* 20dm
V=600 dm³
zad
a=4cm,b=4cm,h=7cm
Pc=2Pp+Pb=2ab+2ah+2bh
Pc=2·4·4+2·4·7+2·4·7=32+56+56=144cm²
a=11cm,b=9cm,h=3cm
Pc=2·11·9+2·11·3+2·9·3=198+66+54=318cm²
a=3m
b=1dm=0,1m
h=2m
Pc=2·3·0,1+2·3·2+2·0,1·2=0,6+12+0,4=13m²
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V=a*b*h
v=4cm*4cm*7cm
V=112cm³
V=a*b*h
V=11cm*9cm*3cm
V=297 cm³
zamieniam jednostki na dm
3m=30dm
2m=20 dm
V=a*b*h
V=30dm*1dm* 20dm
V=600 dm³
zad
a=4cm,b=4cm,h=7cm
Pc=2Pp+Pb=2ab+2ah+2bh
Pc=2·4·4+2·4·7+2·4·7=32+56+56=144cm²
a=11cm,b=9cm,h=3cm
Pc=2·11·9+2·11·3+2·9·3=198+66+54=318cm²
a=3m
b=1dm=0,1m
h=2m
Pc=2·3·0,1+2·3·2+2·0,1·2=0,6+12+0,4=13m²