(07.04 MC)
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. (10 points)

A right triangle is shown with one leg measuring 900 and another leg measuring h with an angle across from it measuring 49 degrees

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

110

step-by-step explanation:

based on the question i am guessing that it is a typo for abc

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