Chapter 1 Review

• 5.5

• 6.5

• 9

• 4.5

• -33

The intersection of two distinct planes is a ______.

• line

• point

• plane

• segment

• triangle

If  $m\angle DGE=52\degree$  and  $\angle FGE$   is a right angle, what is the measure of  $\angle DGF$   ?

•  $38\degree$  

•  $71\degree$  

•  $142\degree$  

•  $45\degree$  

If  $\overline{GD}$  bisects  $\angle CGE$   which angle is congruent to  $\angle CGD$  ?

•  $\angle EGC$  
  

•  $\angle EGD$  
  

•  $\angle AGF$  
  

•  $\angle BGC$  
  

Lines AD and FC intersect at G. Which of the following are vertical angles? Choose all that apply.

•  $\angle1\ \&\ \angle2$  
  

•  $\angle1\ \&\ \angle CGD$  
  

•  $\angle AGC\ \&\ \angle FGD$  
  

•  $\angle EGD\ \&\ \angle AGB$  
  

•  $\angle EGD\ \&\ \angle2$  

How many planes appear in the figure shown?

• 6

• 7

• 8

• 9

Find the coordinate of the midpoint of  $\overline{AB}$ .

• 1

• 4

• 8

• -1

• 1.5

Find DF if D is between E and F, ED = 6x - 4, DF = 3x + 5, and

EF = 46.

• 20

• 22

• 26

• 28

If two angles form a linear pair, they are _______.

• complementary

• supplementary

• vertical

• congruent

• adjacent