Question

2019-20
8. A statue, 1.6 m tall, stands on the top of a pedestal. From a pomol We gowd, the
angle of elevation of the top of the statue is 60° and from the same point the anche
elevation of the top of the pedestal is 45º. Find the height of the pedestal.
9. The angle of elevation of the top of a building from the foot of the tower is 30° and the
angle of elevation of the top of the tower from the foot of the building is 60°. If the tower
is 50 m high, find the height of the building.
10. Two poles of equal heights are standing opposite each other on either side of the road,
which is 80 m wide. From a point between them on the road, the angles of elevation of
the top of the poles are 60° and 30°, respectively. Find the height of the poles and the
distances of the point from the poles.
11. 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 60°. From another point 20 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 DS
tower is 30° (see Fig. 9.12). Find the
-20m
height of the tower and the width of
the canal.
Fig. 9.12
2019-20​

Answer 1

Answer:

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