a) AB = 12 cm;
CD = 18 cm.
[tex]\frac{AB}{CD} = \frac{12}{18} = \frac{2}{3}[/tex]
b) AB = 36 dm;
CD = 24 dm.
[tex]\frac{AB}{CD} =\frac{36}{24} = \frac{3}{2}[/tex]
c) AB = 32 dm;
CD = 40 dm.
[tex]\frac{AB}{CD} = \frac{32}{40} = \frac{4}{5}[/tex]
d) AB = 63 cm;
CD = 72 cm.
[tex]\frac{AB}{CD}=\frac{63}{72} =\frac{7}{8}[/tex]
* Sper că te-am ajutat! *