Answer:
37
Step-by-step explanation:
The cosine of an angle is the length of the adjacent side, in this case x, divided by the length of the hypotenuse, in this case 85. So you can set up the following equation:
[tex]\cos 64.2^{\circ}=\dfrac{x}{85}[/tex]
[tex]x\approx 37[/tex] units
Hope this helps!
