Answer:
63
Step-by-step explanation:
a=9
7a
7(9)
PARALLEL slopes always have the same slope no matter what because they are parallel
ASA
none needed [=
15 because 3 x 5 equals 15
60
There are 6 equal angles that add up to 360 in that diagram. That means that if you divide 360 by 6, then you get 60.
Hope that this helps!
Edit: Thanks for the Brainliest!
