Triangles ABC and A'B'C are similar. This means that the corresponding sides are in the same ratio, in this case:

Replacing with data:
1.) the line makes triangle
2.) triangles always equal 180 degrees
3.)180-108-37=35
4.)35=8x+3
5.) 32=8x
6.)4=X
103.468
Since 4 rounds down:
103
Hope this helps!
Answer:
7.8 and 18.8 is your answer
Step-by-step explanation: