Answer: 1st one
Step-by-step explanation:
Since the 100 degree angle is the same as the m + 20 degree angle, you only have to do: 100-20=80
So the answer is 80
Answer:
19
Step-by-step explanation:
I think. I'm not very good at this and I can't type it out. I just hope this is correct.
Answer:
I dont know what does the long question requires.If is the question of 17 problem then i have explained and solved .If not then I dont know what to do.