Answer:
Step-by-step explanation:
Use tangent.
[tex]tangent=\dfrac{oppositive}{adjacent}[/tex]
We have
[tex]oppositive=10\\adjacent=8[/tex]
Substitute:
[tex]\tan(z)=\dfrac{10}{8}\\\\\tan(z)=1.25[/tex]
look at the picture
[tex]z\approx51^o[/tex]
