Respuesta :

Answer: 27.3 degrees

cos x = 16/18

x = arccos(16/18)

x = 27.3 degrees

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Value of x is 30°

Step-by-step explanation:

  • Step 1: Find value of x by using the trigonometric ratio cosine of x. Here, given that adjacent side is 16 and hypotenuse is 18

cos x° = adjacent side/hypotenuse = 16/18 = 8/9

x° = cos inverse(8/9) = 27.12° = 30° (Rounded off to nearest ten)

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