First we need to calculate the 2 angles that make up Angle B at the top of the triangle.
Using that angle we can find the length of CD.
See the attached picture:
Answer:

Step-by-step explanation:
, You have to make it so they have a common denominator

This would make the answer

Your answer is (x-4), hope I helped! :)
Answer:
It doesn't intersect at that point
