he angle of depression of the top and bottom of a building 50 M high as observed from top of a tower...........

Quantitative Aptitude (CGL) Height and Distance

he angle of depression of the top and bottom of a building 50 M high as observed from top of a tower are 30 degree and 60 degree respectively find the height of the tower and also the horizontal distance between the building and the tower.

20√3

30√3

40√3

50√3

छोटे Courses बड़े Results

Master Height and Distance

Prepare through Micro-courses

Try Now

Explanation:

Here CD is the tower and AB is the pole.
In ?CDB, CD/BC = tan 60°
=> 50m/BC = √3
=> BC = 50/√3m
AE = BC
AE = 50/√3m
In ?ADE, DE/AE = tan 45°
=> DE/50/√3m = 1
=> DE = 50/√3m
so the height of the pole is 50/√3