I believe FH would be a line segment.
Hope this helps!
Answer: you take the slope of the lines rise over run and add together
Step-by-step explanation:
Answer:

Step-by-step explanation:

<h3>Can I have the brainliest please?</h3>
SSS or Side Side Side Theorem.
We have congruent triangles when corresponding sides are congruent; we call it a theorem but that's pretty much the definition of congruent triangles.