1.

The angle of elevation of the top of a tower from a point A on the ground is 30°. On moving a distance of 20 metres towards the foot of the tower to a point B, the angle of elevation increases to 60°. The height of the tower in meters is

A. √3
B. 5√3
C. 10√3
D. 20√3
Answer» D. 20√3


Discussion

No Comment Found