The answer to this question is 23. How you get this is by adding all the sides like this: 2n+6+135+151+140+63=540. Then you just solve the equation.
Answer:
74
Step-by-step explanation:
2x+x+4=115 (ext ∠)
3x=111
x=37
∠MNO=2(37)
=74°
Answer:
-2
Step-by-step explanation:
up 2 over 1
going up hill
lmk if you have any questions
