Answer:
270 if not simplified and
1/1 if simlifies
Step-by-step explanation:
Answer: B, Each of the sums is 180 degrees.
Step-by-step explanation:
Since a 180 degree angle is always a flat line, and that is the case for this,
Each of the sums is 180 degrees.
Answer: −
16
m
+
20
Step-by-step explanation: