Answer:

Step-by-step explanation:
can also be written as 

Simply to 
-OTHER METHOD-
can be simplified to 

63 degrees, if that angle is 72 that means the other must be 54 (add to 180), and if that angle on the other triangle is 54, the others must be 63 (add to 180).
Answer:
chill out this this you post the 6 times
Step-by-step explanation:
Answer:
The answer is:
Step-by-step explanation:
1. -30
2. 20