ReannaLewis ReannaLewis

15-02-2017
Mathematics

contestada

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

Respuesta :

nobillionaireNobley nobillionaireNobley

20-02-2017

Let the angle of elevation be x, then

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

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