"An observer 1.6 m tall is `20sqrt(3)`m away from a tower. The angle of elevation from his
Channel: Doubtnut
Date: 05/04/2020

"An observer
 1.6 m tall is `20sqrt(3)`
m away from a tower. The angle of elevation from his eye to the top of
 the tower is `30o`
. The
 height of the tower is:
(a) 21.6
 m (b) 23.2 m (c) 24.72 m (d) None of these"