Respuesta :

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Answer:

[tex]\large{x=7.4438\ cm\approx7.4\ cm}[/tex]

Step-by-step explanation:

Use tangent:

[tex]tangent=\dfrac{opposite}{adjacent}[/tex]

We have:

[tex]\alpha=28^o,\ opposite=x,\ adjacent=14\ cm[/tex]

[tex]\tan28^o\approx0.5317[/tex]

Substitute:

[tex]\dfrac{x}{14}=0.5317[/tex]                multiply both sides by 14

[tex]x=7.4438\ cm[/tex]