Respuesta :

Ankitrraj707

Use cosine trigonometric relation.

[tex] Cos~x=\frac{Adjacent} {Hypotenuse} \\\\ \to cos~x=\frac{4}{12} \\\\ \to cos~x= \frac{1}{3} \\\\ x=arccos(\frac{1}{3})\\\\ x \approx 70°[/tex]

Answer:

70.5

Step-by-step explanation:

We use cosine (adjacent over the hypotenuse) to calculate this:-)

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