Angles and Transversals

 $\angle B\ and\ \angle C\ are$  

• supplementary, so they add to 180 $\degree$  

• vertical, so they are congruent  $\cong$  

• corresponding, so they are congruent  $\cong$  

 $\angle C\ and\ \angle J\ are$  

• supplementary, so they add to 180 $\degree$  

• vertical, so they are congruent  $\cong$  

• corresponding, so they are congruent  $\cong$  

 $\angle K\ and\ \angle J\ are$  

• supplementary, so they add to 180 $\degree$  

• vertical, so they are congruent  $\cong$  

• corresponding, so they are congruent  $\cong$  

 $\angle C\ and\ \angle D\ are$  

• supplementary, so they add to 180 $\degree$  

• vertical, so they are congruent  $\cong$  

• corresponding, so they are congruent  $\cong$  

 $\angle F\ and\ \angle D\ are$  

• supplementary, so they add to 180 $\degree$  

• vertical, so they are congruent  $\cong$  

• corresponding, so they are congruent  $\cong$  

 $\angle G\ and\ \angle L\ are$  

• supplementary, so they add to 180 $\degree$  

• vertical, so they are congruent  $\cong$  

• corresponding, so they are congruent  $\cong$  

 $\angle D\ and\ \angle K\ are$  

• supplementary, so they add to 180 $\degree$  

• vertical, so they are congruent  $\cong$  

• corresponding, so they are congruent  $\cong$  

What is easiest to remember for you?

• Corresponding angles and congruent

• Vertical angles and congruent

• Supplementary angles add up to $180\degree$

Angle a is

Angle b is