If the angle of elevation of the top of a Monument when observed form a point on the roof of a five storied building of 18 metre height is `45^@` and the angle of depression of the foot of the Monument, when observed from the same point `60^@`. What is the height of the MOnument?

If the angle of elevation of the top of monument when observed from a point on the roof of a five-stories building of 18 metre height is 45^@ and the angle depression of the foot of the monumenbt. When observed from the same pointy is 60^@ . Calculate the height of the monument. [sqrt3= 1.732]

If the angle of elevation of the top and Monument when observed from a point on the roof of a building of 16 metre height is 60^@ and the angle of depression of the foot of the Monument, when observed from the same point is 30^@ , calculate the height of the Monument and the distance from Monument to the building.

From the point on the top of a palace of 60 metres height, it is observed that the angle of depression of the tip and the foot of a tower are 30^@ and 60^@ respectively. Find the height of the tower.

An observer of height 1.8 m is 13.2 m away from a palm tree. The angle of elevation of the top of the tree from his eyes is 45^(@) What is the height of the palm tree?

The angle of elevation of the top of a tower from a point O on the ground, which is 450 m away from the foot of the tower, is 40^(@) . Find the height of the tower.

When the top of a chimney of a factory is seen from a point on the roof of the three storied building of 9sqrt(3) metre height, the angle of elevation is 30^(@) . If the distance between the factory and chimney is 30 metres, calculate the height of the chimney.

From a point on the roof a house 11 metres height, it is observed that the angles of depression of the tip and foot of a lamp post are 30^@ and 60^@ respectively. Find the height of the lamp post.

If the angle of elevation of the top of a chimney from a point on the horizontal plane passing through the foot of the chimney is 60^(@) and the angle of elevation from another point on the same plane at a distance of 24 metres away from the first point is 30^(@) . Calculate the height of the chimney. [sqrt(3)= 1.732 (approx). ]