## The angles of depression of two ships from…

The angles of depression of two ships from the top of a light house are 45° and 30° towards east. If the ships are 100 m apart, the height of…

## If the angle of elevation of a tower from..

If the angle of elevation of a tower from a distance of 100 metres from its foot is 60?, the height of the tower is. A. $100 \sqrt{3} m$ B.…

## Two persons are 'a' meters apart and…

Two persons are 'a' meters apart and the height of one is double that of the other. If from the middle point of the line joining their feet, an observer…

## The top of a 15 meter high tower makes..

The top of a 15 metre high tower makes an angle of elevation of 60° with the bottom of an electric pole and angle of elevation of 30° with the…

## A man is watching from the top of tower..

A man is watching from the top of tower a boat speeding away from the tower. The boat makes an angle of depression of 45° with the man’s eye when…