Answer:
C 117
Step-by-step explanation:
<2 = 63
<4 = <2 vertical angles
<4 + <7 = 180
63 + <7 = 180
subtract 63 from each side
<7 = 117
It will be the same measure as angle 1
63 and angle one have to equal 180 so
180-63=117
So angle 1 is 117 and angle 7 is 117
