Mathematics
Mathematics, 17.07.2019 03:30, melaniegilbreath

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? you must show all work and calculations to receive full credit. a right triangle is shown with one leg measuring 900 and another leg measuring h with an angle across from it measuring 49 degrees.

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An observer (o) is located 900 feet from a building (b). the observer notices a helicopter (h) flyin...

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