Answer:
Step-by-step explanation:
Use SOH CAH TOA to recall how the trig functions fit on a triangle
SOH: Sin(Ф)= Opp / Hyp
CAH: Cos(Ф)= Adj / Hyp
TOA: Tan(Ф) = Opp / Adj
use CAH since it's got the pieces we have and want to find
Cos(35) = x / 18
X = 18 * Cos(35)
X = 14.7447
14.7 looks good :)
