The angle of elevation of the top of a tower as observed from a point on the ground is 'a' and on moving 'a' metre towards the tower, the angle of elevation is `'beta'` Prove that the height of the tower is : `(a tan alphatanbeta)/(tanbeta-tanalpha)`

The angle of elevation of the top of a tower at any point on the ground is 30^@ and moving 20 metres towards the tower it becomes 60^@ . The height of the tower is

The angle of elevation of the top of a tower at a point A on the ground is 30^(@) . On walking 20 meters toward the tower, the angle of elevation is 60^(@) . Find the height of the tower and its distance from A.

The angle of elevation of the top of a tower from a point on the ground is 30^(@) . After walking 40sqrt3 m towards the tower, the angle of elevation becomes 60^(@) . Find the height of the tower.

The angle of elevation of the top of a tower from a point on the ground is 30^(@) . After walking 45 m towards the tower, the angle of elevation becomes 45^(@) . Find the height of the tower.

The angle of elevation of the top of a vertical tower from a point on the ground is 60°. From another point 10 m vertically above the first, its angle of elevation is 30°. Find the height of the tower.

The angle of elevation of the top of a vertical tower from a point on the ground is 60°. From another point 10 m vertically above the first, its angle of elevation is 30°. Find the height of the tower.

The angle of elevation of the top of a vertical tower a point on the ground is 60^(@) From another point 10 m vertical above the first, its angle of elevation is 45^(@) . Find the height of the tower.

The angle of elevation of the top of a tower from a certain point is 30^o . If the observer moves 20 m towards the tower, the angle of elevation of the top of the tower increases by 15^o . Then height of the tower is

The angle of elevation of the top of a tower from a point A on the ground is 30^0dot On moving a distance of 20 metres towards the foot of the tower to a point B the angle of elevation increases to 60^0dot Find the height of the ttower and the distance of the tower from the point A.

The angle of elevation of the top of a tower from a point A on the ground is 30^0dot On moving a distance of 20 metres towards the foot of the tower to a point B the angle of elevation increases to 60^0dot Find the height of the ttower and the distance of the tower from the point A.