A spherical balloon of radius 16m subtends `60^@` at eye of an observer on the ground. The angle of elevation of centre from the same point observation if `75^@` . Find the height of top most point of the balloon

A spherical gas balloon of radius 16 meter subtends an angle 60^(@) at the eye of the observer A while the angle of elevation of its center from the eye of A is 75^(@) . Then the height (in meter) of the top most point of the balloon from the level of the observer's eye is :

A spherical balloon of radius r subtends an angle 'theta' at an observer's eye. The angle of elevation of centre of the balloon is phi . Prove that the height of the centre of the ball is rsinphi cosec""theta/2 .

A spherical ballon of radius r subtends angle 60^(@) at the eye of an observer. If the angle of elevation of its centre is 60^(@) and h is the height of the centre of the ballon, then which one of the following is correct ?

A round balloon of radius 'r' subtends an angle alpha at the eye of the observer, while the angle of elevation of its centre is beta . Find the height of the centre of balloon.

A balloon of radius r subtends an angle alpha at the eyes of an observer and the center of balloon from the eye is beta . Find the height of the center of the balloon from the eye of observer .

The angle of elevation of the top of a tower from a point 40 m away from its foot is 60^(@) . Find the height of the tower.

If the angle of elevation of a tower 18^(@) and the distance between top and point of observation is 4, Find the height to tower.

A round balloon of radius R subtend an angle 2alpha at the eye of the observer, while the angle of elevation of it's centre is 2beta , then the height of the centre of balloon is