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b. 1+ 19. From one end of a 6-km straight road, a helicopter is seen hovering directly over the other end at an angle of elevation equal to 30% Find the height of the helicopter from the ground. a. 3.46 km b. 7.34km c. 4.24 km d. 10.39 k 20. The angle of elevation of the top of the building is 50°. If the observer is 90 m from the base of the building, how high is the 100 10000 PROF
