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
2. If the measure of angle 1 = 123º, what is the measure of angle 3?
123º
90º
57º
67º
Score: 1 of 1
3. If the measure of angle 1 = 70º, what is the measure of angle 3.
110º
90º
100º
70º
Score: 1 of 1
4. Which of these is not a segment?
DC
AB
ABD
BC
Score: 1 of 1
5. Which of these is not a ray on the image?
$\overrightarrow{DC}$
$\overrightarrow{AD}$
$\overrightarrow{AB}$
$\overline{BC}$
6. Select the obtuse angles.
$\angle NXP$
$\angle RXS$
$\angle PXS$
$\angle NXS$
7. Name the line in the figure.
$\overline{BC}$
$\overleftrightarrow{AD}$
$\overrightarrow{DC}$
$\overleftarrow{AB}$
Score: 1 of 1
8. If the measure of angle 2= xº, find the measure of angle 4.
xº
90º - xº
180º - xº
2xº
9. Which is the right angle in the image?
CEF
BED
CED
AEB
10. Which of these is not a segment in the image?
$\overline{DE}$
$\overline{DC}$
$\overline{AB}$
$\overline{BC}$