Unghiuri. Clasificare. Proprietăți.

 $90\degree\ și\ 180\degree$  

 $180\degree\ și\ 270\degree$  

 $0\degree\ și\ 90\degree$  

 $270\degree\ și\ 360\degree$  

$0\degree$

$60\degree$

$90\degree$

$180\degree$

 $120\degree$  

 $30\degree$  

 $90\degree$  

 $180\degree$  

$0\degree$

$60\degree$

$90\degree$

$180\degree$

$0\degree$

$90\degree$

$180\degree$

$360\degree$

congruente

paralele

perpendiculare

diferite

 $75\degree58'$  

 $76\degree08'$  

 $23\degree27'$  

 $23\degree73'$  

 $23\degree33'$  

 $16\degree12'20"$  

 $16\degree12,5'$  

 $16\degree12'50''$  

 $16\degree12'05''$  

<BOC

<AOB

[BO

<AOC