B)
[Imp.]
DO
80° 10
at an angle of 60° to the horizontal would enable him to reach the required
What should be the length of the ladder that he should use which, when inclined
32. Two persons are standing on the opposite sides of a tower. They observed the angle of elevation of
the top of the tower to be 30° and 45° respectively. Find the distance between them, if the height of
33. An observer on the top of a tower, 120 m high, observes the angle of depression of the two objects
to be 45° and 30° respectively. Given that both the objects and the foot of the tower lie on the same
(ii) the opposite sides of the tower,
to reach a point 1.3 m below the top
(see figure given alongside).
position?
the tower is 40 m.
horizontal line. Find the distance between the objects, if the objects are on:
(i) the same side of the tower.
34. In the figure, if ZPAB = 45°, ZCAB = 30° and AB = 50 m, find the length of PC.
P
С
459
30°
A
50 m
B
35. In the given figure, CD = 40 m, ZADB
AB and BC
45° and ZACB = 60°. Calculate the lengths of
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