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OpenStudy (anonymous):
Can someone help me with this? I've been trying to solve this practice problem for ages.
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OpenStudy (anonymous):
OpenStudy (anonymous):
An observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49° angle of elevation from his line of sight. How high is the helicopter flying over the building?
OpenStudy (anonymous):
tan(49)=x/900 *900 *900 900tan(49)=x/900 900tan(49)=x1 900tan(49)=x H = 900tan49 H = 1035 The helicopter is flying 1035 feet over the building.
OpenStudy (anonymous):
*in case anyone needs it
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