1. In the figure, angle 1 and angle 3 are vertical angles. If the measure of angle 1 = 120º, what is the measure of angle 3?
   
   
   
   

90º

120º

180º

60º

1. If the measure of angle 1 = 123º, what is the measure of angle 3?
   
   
   
   

123º

90º

57º

67º

Score: 1 of 1

1. If the measure of angle 1 = 70º, what is the measure of angle 3.
   
   
   
   

110º

90º

100º

70º

Score: 1 of 1

1. Which of these is not a segment?
   
   
   
   
   

DC


AB


ABD


BC


Score: 1 of 1

1. Which of these is not a ray on the image?
   
   
   
   
   

$\overrightarrow{DC}$

$\overrightarrow{AD}$

$\overrightarrow{AB}$

$\overline{BC}$

1. Select the obtuse angles.
   
   
   
   
   

$\angle NXP$

$\angle RXS$

$\angle PXS$

$\angle NXS$

1. Name the line in the figure.
   
   
   
   
   

$\overline{BC}$

$\overleftrightarrow{AD}$

$\overrightarrow{DC}$

$\overleftarrow{AB}$

Score: 1 of 1

1. If the measure of angle 2= xº, find the measure of angle 4.
   
   
   
   

xº

90º - xº

180º - xº

2xº

1. Which is the right angle in the image?
   
   
   
   
   

CEF


BED


CED


AEB

1. Which of these is not a segment in the image?
   
   
   
   
   

$\overline{DE}$

$\overline{DC}$

$\overline{AB}$

$\overline{BC}$