Answer :

Answer:

[tex]\huge\boxed{\sf X \approx 57\°}[/tex]

Step-by-step explanation:

For angle X:

Adjacent = 5

Hypotenuse = 9

Using cos θ as the trigonometric ratio.

Solution:

cos θ = adjacent / hypotenuse

cos X = 5 / 9

cos Χ = 0.55

X = cos⁻¹ 0.55

X ≈ 57°

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