Geometry, Section 3-1: Parallel Lines and Transversals

$\angle5,\ \angle6,\ \angle7\ and\ \angle8$

$\angle1,\ \angle3,\ \angle6\ and\ \angle8$

$\angle2,\ \angle4,\ \angle5\ and\ \angle7$

$\angle5,\ \angle6,\ \angle7\ and\ \angle8$

$\angle1,\ \angle3,\ \angle6\ and\ \angle8$

$\angle2,\ \angle4,\ \angle5\ and\ \angle7$

 $\angle4\ and\ \angle5$ 

 $\angle2\ and\ \angle4$ 

 $\angle5\ and\ \angle7$ 

 $\angle1\ and\ \angle8$  

 $\angle4\ and\ \angle7$ 

 $\angle2\ and\ \angle4$ 

 $\angle5\ and\ \angle7$ 

 $\angle1\ and\ \angle6$  

 $\angle3\ and\ \angle6$ 

 $\angle1\ and\ \angle6$ 

 $\angle3\ and\ \angle8$ 

 $\angle6\ and\ \angle8$  

 $\angle2\ and\ \angle6$ 

 $\angle3\ and\ \angle7$ 

 $\angle4\ and\ \angle8$ 

 $\angle3\ and\ \angle8$