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4cm * 2 cm
__________ = 4cm kwadratowe
2
3cm * 2 cm
__________ = 3cm kwadratowe
2
3cm * 4cm
_________ = 6cm kwadratowych
2
zad. 3
B.
a) p=a*h/2
p=4*2/2
p=6j2
a=4
h=2
b)p=3*2/2
p=3j2
a=3
h=2
c)p=3*4/2
p=6j2
a=3
b=4
(j2) to sa jednostki kwadratowe poniewaz nie mamy podane czy to m czy cm
129/3 odp D
h = 2
P= (a*h)/2
p= (4*2)/2=8/2=4
b) (3*2)/2 = 3
c) (4*3)/2=12/2 = 6
3. c