1.Aiza finds that the angle of elevation of the top of a flagpole 145 ft from from the foot of the pole is 38°25'. What is the height of the pole?

2.A rectangular lot is 26m by 20m. Find the smaller angle that the diagonal makes with the sides.

3.From the top of a tree house, the angle of depression of the door of a house is 65°. How high is the tree house if the foot of the tree is 15m from the door?

4.From the top of a mountain 40 m above the sea land, the angles of depression of two ships are 27" and 32°. What is the distance between the two ships if they are lying on a straight line with the observer on the mountain top?







please answer this ​