Answer: 35
Each triangle adds up to 180 degrees by adding the two angles that you already have the value of (37+108) and subtract it from 180 to get the final angle(x) you get 35
Therefore x=35 :)
Answer:

Step-by-step explanation:
we know that
Using proportion

Round to the nearest whole number

I think it’s A but i’m not for sure but i think so but sorry if i’m wrong
E is the midpoint so it's HALF of DF
Since it's half that means DE and EF have the same length.
Therefore DE multiplied by 2 is DF.
Considering DF is the full length.