Answer:
Vertical angles are congruent, so the
equation 3x-6 = 114 can be used to find x.
The value of x is 40.
Convince Me!
Why can you use an equation when solving for x in
the diagram?
You can use the eqution because they are equal to each other. When they are equal to each other, you can find x by using the equation to simplify and get x alone.