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ricardoelder ricardoelder
  • 12-12-2014
  • Mathematics
Answered

A monument is 75 meters high. At an information booth, an observer notices the angle of elevation to the top of the monument is 36 degrees. How far is the observer from the base of the building?

Verified Answer :

maxinetoto maxinetoto
  • 12-12-2014

tan(36) = height/distance
0.727 = 75/distance
distance = 103.23

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lubethetube lubethetube
  • 12-12-2014

cos36=75/x
x=75/cos36

x is the distance of the observer from the base this is done by the use of CosA(adj side)H(hypotenuse)

Answer Link

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