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Tomas is pushing a box up a ramp that rises one foot for every four feet of horizontal distance. What is the approximate measure of angle x?

 Jan 30, 2016
 #1
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ARCTAN (1/4) = 14 degrees

 Jan 30, 2016
 #2
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Francesca is looking at an airplane. She measures the angle at which she is looking up and finds it to be 55 degrees. If the airplane is traveling at an altitude of 30,000 feet, about how far is the airplane from Francesca?

 Jan 30, 2016
 #3
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For the airplane problem

 

 sin 55 = (30000ft/distance)     Solve for distance =36,623.23 ft

 Jan 30, 2016

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