anonymous
  • anonymous
An airline ramp with a base of 50 feet makes an angle of 27° with the ground. I need to find out how long will a person walk on the ramp.
Geometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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mathstudent55
  • mathstudent55
I think this is what the question means. We are looking for x. |dw:1436330279032:dw|
mathstudent55
  • mathstudent55
We need the trig function that relates the adjacent leg to the hypotenuse. |dw:1436330367132:dw|
mathstudent55
  • mathstudent55
Recalling: SOHCAHTOA, we can use the cosine: \(\cos \theta = \dfrac{adj}{hyp} \) \(\cos 27^o = \dfrac{50 ~ft}{x} \) \(x = \dfrac{50~ft}{\cos 27^o} \) Just do the division to find x, the length of the ramp.

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