Answered

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The length of the escalator is 36 ft and the

vertical height it rises is 9 ft. what is the angle

of elevation?


a. 90

b. 75. 52

c. 14. 48

d. 14. 04

Sagot :

Answer:

sin θ = 9 / 36 = 1/4

θ = 14.48 deg    (ans C)

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