Question

the angle of elevation of the top of an unfinished tower at a point 120m from its base is 45degree. how much higher must the tower be raised so that its angle of elevation become 60degree at the same point​

Answer 1

Answer:

Let PA be the unfinished tower.Let B be the point of observation i.e. 120 m away from the base of the tower.Now, AB = 120mLet, ABP = 45° Let h m be the ...