Answer:
27
Step-by-step explanation:
3/1=x/9
cross multiply, or its just a ratio actually. 1:3 is equal to 9:27
9^...................
2x+9=1x-5
2x-1x=-5-9
x=-14
(2,-5)
is an angle in the third quadrant
To find the reference angle subtract π from it
reference angle = - π =