SOLUTION: A ramp that is 18 meters long makes an angle of 9º with the ground. What is the height h of the ramp? Round your answer to the nearest tenth of a meter.

Algebra ->  Angles -> SOLUTION: A ramp that is 18 meters long makes an angle of 9º with the ground. What is the height h of the ramp? Round your answer to the nearest tenth of a meter.      Log On


   

Question 613725: A ramp that is 18 meters long makes an angle of 9º with the ground. What is the height h of the ramp? Round your answer to the nearest tenth of a meter.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
sin(theta) = opposite/hypotenuse

sin(9) = h/18

18*sin(9) = h

h = 18*sin(9)

h = 18*0.156434465040231

h = 2.81582037072416


So the height of the ramp is roughly 2.81582037072416 m which rounds to 2.8 meters
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