If you recall soh-cah-toa, tangent is equal to the opposite length divided by the adjacent length so it is true.
Answer:
You need to put the link on which is like the paper clip before you post.
Step-by-step explanation:
30
60/40=3/2
105/40+x = 3/2
105/70=3/2
x=70-40 = 30
