A wheelchair ramp has a slope over 1/12. Which of the following is the angle of elevation of the ramp to the nearest tenth of a degree. PLEASE HELP!!! a. 3.6 b.4.8 c. 5.2 d. 6.4

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asked Dec 20, 2018 174k views

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A wheelchair ramp has a slope over 1/12. Which of the following is the angle of elevation of the ramp to the nearest tenth of a degree. PLEASE HELP!!!

a. 3.6
b.4.8
c. 5.2
d. 6.4

Mathematics
high-school

Leonm asked

by Leonm

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1 Answer

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Let the angle of elevation be x, then

tan x = 1/12
x = arctan (1/12) = 4.8 degrees.

Shadocko answered Dec 25, 2018

by Shadocko

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