Answer:
110
Step-by-step explanation:
80 + 30
= 110
It like the once like Line with smaller angle (DBC) measure wouldn't 30* and by the exam the ratio of angle use by subjective by multiplying as large of angle.
oh, by the way I think I hope I'm right so good luck with that?
=
12
x
3
−
40
2
+
42
20 Is your answer
