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01-05-2018
Mathematics

contestada

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 treadmills angle of elevation Round your answer to the nearest degree class=

Respuesta :

calculista calculista

10-05-2018

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

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