Wouldn't all the angles equal 180? We've been trying to learn these but I think so. Subtract both numbers by 180 and it should be the answer. Sorry if it's wrong but I'm not sure. I kinda hope this helps you any
Answer:
The answer is A.
Step-by-step explanation:
Hope I helped!
Answer:
20
Step-by-step explanation:
A=20
Lololololol. I long since forgot how to do this. rip
