The answer is B hope this helps
Angle 4 and 1 are the same. Since angle 4 is 49 degrees so is angle 1. So just plug 49 into the equation for angle 1 and that would look like 49=3x-18. Then solve. Check your work with other equations given.
<u> All real numbers</u> is the answer
Answer:
im pretty sure you can do this with a protracter
Step-by-step explanation: