9 (11 pts). Open the fоllоwing grаph: grаph9.dоcx A mаn of h = 5.9 feet tall is standing d = 39 feet away from a building. The angle of elevation θ = 25°. Find the height of the building AB. 10 (11 pts). Open the following graph: graph10.docx An airplane is flying AC = 16500 feet above level ground. The angle of depression from the plane to the base of a tree B is θ = 19.5°. Find the distance AB.