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ReannaLewis ReannaLewis
  • 15-02-2017
  • Mathematics
Answered

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!!!

A3.6

b.4.8

C5.2
D6.4

Verified Answer :

nobillionaireNobley
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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