Oblicz pole całkowite i objetosc prostopadłoscianów : a) 7dm*7dm*7dm b)4cm*4cm*5cm c)3dm*20dm*0,4m Prosze z obliczeniami ;)
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a ) pole : obj
p=2a*b =2*7*7=2*49=98 v=Pp*h
p=2b*c=2*7*7=2*49=98 v= 49*7
p=2a*c= 2*7*7=2*49=98 v= 343dm 3 = 343 l
294dm 2
p=294dm 2
b)
p=2a*b =2*4*5=2*20=40 v=Pp*h
p=2b*c=2*5*4=2*20=40 v= 20*5
p=2a*c= 2*4*4=2*16=32 v= 100 cm3
112 cm 2
licze na naj :)