Tell whether the angles are adjacent or vertical. then find the value of x.

21

Definitions:

Vertical: Two angles that share a common side.

Adjacent: Congruent meaning the same measure.

In this equation it is adjacent.

Explanation:

If you look at the red square in the corner, that means it is a right angle.  If you didn't know right angles equal to 90 degrees. But before solving we need a formula.

Formula:

x + 69 = 90

We know that x plus 69 equals 90 degrees.

Step-By-Step:

Now to get our answer we subtract 90 degrees and 69 degrees:

90 - 69 = 21

Our official answer is 21.

            Hope this helps!

      ~Hocus Pocus

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse