60
20
85
36.7
A
B
C
D
80
70
180
110
12.4
17
58
98
140
IDK
30
100
130
a and b
d and c
none
f and g: Consecutive Interior Angle
f and h: Corresponding Angles
f and g: Vertical Angles
Parallel
Perpendicular
Neither
Given
Corresponding Angles
Consecutive Interior Angles
Alternative Interior Angles
Alternate Interior Angles
Alternate Exterior Angles
<7 = <6
<7 = <2
Solve
Vertical Angles
Anternate Interior Angles
L is parallel to M
<1 = <2
L is perpendicular to M
Prove