Oblicz pole powierzchni prostopadłościanu o krawędziach
a)6 cm,10cm,15cm.
b)6 1/2dm,3 2/5dm,10dm.
a) P=2*6*10+2(6+10)15=120+480cm^2=4,8dm^2=0,048m^2
b) P=2*6,5*3,4+2(6,5+3,4)10=44,2+198=242,2dm^2=2,422m^2=24220cm^2
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a) P=2*6*10+2(6+10)15=120+480cm^2=4,8dm^2=0,048m^2
b) P=2*6,5*3,4+2(6,5+3,4)10=44,2+198=242,2dm^2=2,422m^2=24220cm^2