Adjacent and Vertical Angles

exactly 90

less than 90

more than 90

less than 180

acute

right

obtuse

none of the above

acute

right 

obtuse

none of the above

more than

less than

equal to

none of the above

Less than 90

Exactly 90

Greater than 90 and less than 180

Exactly 180

Right angle

Acute angle

Obtuse angle

Straight angle

yes

no

yes

no

yes

no

yes

no

28

5

55

40

20^o

70^o

160^o

180^o

30°

60°

150°

undetermined

37

72

108

18

$$\angle8\ \&\ \angle7$$

$$\angle8\ \&\ \angle6$$

$$\angle8\ \&\ \angle5$$

Alternate Interior Angles

Supplementary Angles

Vertical Angles

Corresponding Angles

Adjacent

Vertical

Complementary

Supplementary

No relationship

vertex

diet soda

geometry

business partner

123^o

23^o

90^o

180^o

30^o

90^o

60^o

45^o

80

85

230

120