Respuesta :

Answer:

B.  12.43 ft

Step-by-step explanation:

cosine = adjacent / hypotenuse

cos 43° = y / 17

multiply both sides by 17

17 (cos 43°) = y

cos 43° = 0.7314 (use your calculator)

y = 17 x 0.7314

y = 12.43 ft.

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