If AB=4m, and AC=8m, then the angle of elevation of A as observed from C is

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 ?

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?

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?

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?

A tower is 100sqrt(3) high. Find the angle of elevation of its top when observed from a point 100m away from the foot of the tower.

From a point 36 m above the surface of a lake , the angle of elevation of a bird is observed to be 30^(@) and angle of depression of its image in the water of the lake is observed to be 60^(@) . Find the actual of the bird above the surface of the lake .

An observer has found the angle of elevation of a temple to be 60^@ when observed from a particular place.After retiring back 100m straight from the place he found the angle of elevation to be 30^@ .Find the height of the temple.

The angle of elevation of a temple is found to be 30^@ as seen from a place.By advancing 50m towards the temple the angle of its elevation is observed to be 45^@ .Find the height of the temple.

An observer, 1.5 m tall, is 20.5 m away from a tower 22 m high. Determine the angle of elevation of the top of the tower from the eye of the observer.

An observer , 1.7 m tall , is 20sqrt(3) m away from a tower . The angle of elevation from the eye of observer to the top of tower is 30^(@) . Find the height of tower .