Answer:
1.22°
Step-by-step explanation:
First, we find side BD by using the Pythagorean theorem.
BD² + 7² = 13²
BD² + 49 = 169
BD² = 120
BD ≈ 10.95 cm
Now, we find x by using [tex]tan^{-1}[/tex]
[tex]tan^{-1}[/tex] ([tex]\frac{10.95}{4}[/tex]) = 1.22°
So, x = 1.22°
