Lines AB and CD

Lines AB and BD

Lines AC and BA

LInes CD and BD

Lines AB and CD

Lines AB and BD

Lines AC and BD

LInes BC and BD

Lines d and c

Lines f and g

Lines c and e

Lines f and d

Planes A and B

Planes C and D

Planes F and G

Planes E and B

alternate interior

alternate exterior

corresponding

consecutive interior

alternate interior

alternate exterior

corresponding

consecutive interior

alternate interior

alternate exterior

corresponding

consecutive interior

28^o

136^o

44^o

6^o

A

B

C

D

A pair of angles on the outer side of two lines cut by a transversal, but on opposite sides of the transversal

The angles opposite of each other when two lines cross

A pair of angles on the inner side of two lines cut by a transversal, but on opposite sides of the transversal

Two angles in the same position when parallel lines are cut by a transversal

A

B

C

D

x = 27 by Alternate Interior Angles Thm

x = 63 by Alternate Interior Angles Thm

x = 17 by Alternate Exterior Angles Thm

x = 63 by Alternate Exterior Angles Thm

x = 4.9; Bold Angle = 89.1

x = 4.9; Bold Angle = 91

x = 5; Bold Angle = 89.1

x = 5; Bold Angle = 91

32... The sum of the Same Side Interior angles = 180

32... Alternate Interiors = 180

32... Corresponding angles are congruent

-20... Alternate Interiors are equal

-20... Same Side Interiors are =

x=29

x=61

x=14

x=20