Step-by-step explanation:
Supplementary angles add up to 180°

Answer:210. 2/3
you would have to add all the numbers to get the answer even the fractions
You just have to divide all of it and then round it to the nearest tenths if u need too .
Answer:
i am only doing thjis so i can get more answers dont ask questions
Step-by-step explanation:
Answer:
2.5
Step-by-step explanation: