The option is the 3rd bubble
The altitude of the triangle intercepts perpendicularly
meaning that the angle EHG equals to 90 degrees
so....
12x + 30 = 90
subtract 30 from both sides
12x = 60
divide both sides by 12
x = 5
Hope this helps
Answer:
13.5
Step-by-step explanation:
In triangle ABC, DE || AC
Therefore by basic proportionality theorem: