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A gym has an inclined treadmill for joggers, as shown in the figure. What is θ, the treadmill's angle of elevation? Round your answer to the nearest degree.
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A gym has an inclined treadmill for joggers, as shown in the figure.

What is θ, the treadmill's angle of elevation?



Round your answer to the nearest degree.

A gym has an inclined treadmill for joggers, as shown in the figure. What is θ, the-example-1
User Neron Joseph
by
7.8k points

1 Answer

3 votes
we know that
in a right triangle
cos θ=adjacent side angle θ/hypotenuse
in this problem

adjacent side angle θ=38 in
hypotenuse=40 in

cos θ=38/40
θ=arc cos (38/40)-------> 18.19°-------> 18°

the answer is
18 degrees
User Roman Vottner
by
8.3k points
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