84 cm because you HAVE to add them together.
The angle that the wire makes with the ground is
36.869
8
o
.
36.8698
o
.
I suspect you may have slipped up as you copied the question. Exactly as you wrote it, it has a single zero, at x= 2 .
Answer:
8. adjacent 9. vertical 10. adjacent
Step-by-step explanation: