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Can someone help me pleaseee

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Sagot :

Answer:

x ≈ 26.4

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos47° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{CD}{AD}[/tex] = [tex]\frac{18}{x}[/tex] ( multiply both sides by x )

x × cos47° = 18 ( divide both sides by cos47° )

x = [tex]\frac{18}{cos47}[/tex] ≈ 26.4 ( to the nearest tenth )
x = 18/sin47
x = 24.612
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