Question

In the figure, A and Bare two points on the horizontal ground.AB is 6.4m and CB is 6.9m.ABC is a right angle
A sightseeing hot air balloon C is 8.9 m vertically above B. The distance between A and B is 6.4 m. Find the angle of depression of A from C.
(Give your answer correct to 3 significant figures.)​

Answer 1

Answer:

5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.5.t5.5.5.5.5.5.5.5.5.5.5..5.5..5.5.5.5.5..5...5.5..5..5.5.5.5.5.5.5.5..55.5.5.5.5.5.5..5.5..5.5.5.5.5.5..5.5.5.5.5..5.5.5.5..t55..5