ground, the angles of elevation of the bottom and the top of a transmission tower fixed at the top of a m high building are ° and ° respectively. Find the height of the tower. Fig. .
. A statue, . m tall, stands on the top of a pedestal. From a point on the ground, the angle of elevation of the top of the statue is ° and from the same point the angle of elevation of the top of the pedestal is °.
Find the height of the pedestal. . The angle of elevation of the top of a building from the foot of the tower is ° and the angle of elevation of the top of the tower from the foot of the building is °. If the tower is m high, find the height of the building.
. Two poles of equal heights are standing opposite each other on either side of the road, which is m wide. From a point between them on the road, the angles of elevation of the top of the poles are ° and °, respectively. Find the height of the poles and the distances of the point from the poles.
. A TV tower stands vertically on a bank of a canal. From a point on the other bank directly opposite the tower, the angle of elevation of the top of the tower is °. From another point m away from this point on the line joing this point to the foot of the tower, the angle of elevation of the top of the tower is ° (see Fig.
. ). Find the height of the tower and the width of the canal. .
From the top of a m high building, the angle of elevation of the top of a cable tower is ° and the angle of depression of its foot is °. Determine the height of the tower. . As observed from the top of a m high lighthouse from the sea-level, the angles of depression of two ships are °