Week 13 (CT): Angle Relationships & Parallel Lines

 $\angle1$  and  $\angle2$  are ___.  

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

This is what kind of angle?

• obtuse
• right
• straight
• acute

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Supplementary angles always add up to

Which angle is a vertical angle to with $\angle7$  ?

•  $\angle1$  

•  $\angle5$  

•  $\angle3$  

•  $\angle6$  

•  $\angle9$  

1) Given the two parallel lines cut by a transversal.

What is the vertical angle to angle 4?

• Angle 2

• Angle 6

• Angle 8

• Angle 7

2) Given the following two parallel lines cut by a transversal.

Which pair of angles represents corresponding angles?

•  $\angle1$  and  $\angle6$  

•  $\angle6$  and $\angle5$  

•  $\angle7$  and $\angle8$  

•  $\angle4$  and $\angle8$  

3) Given the following two parallel lines cut by a transversal.

Which pair of angles represents alternate interior angles?

•  $\angle3$  and $\angle8$  
  

•  $\angle7$  and $\angle2$  

•  $\angle7$  and $\angle8$  

•  $\angle4$  and $\angle8$  

4) Given the following two parallel lines cut by a transversal.

Which pair of angles represents alternate exterior angles?

•  $\angle4$  and $\angle8$  
  

•  $\angle7$  and $\angle5$  
  

•  $\angle1$  and  $\angle2$  
  

•  $\angle6$  and  $\angle5$  
  

5) True or False.

If the following parallel lines are cut by a transversal, would 
 $\angle2$  and  $\angle6$   be corresponding?

• True

• False