Question

1. The length of shadow on the ground of a pole of height 1871 when the angle of elevation
sí sun is é such that rane = Şis
15m 18m
15.43m
2. From the top of a 10m high building the angle of elevation of top of a tower is 60% and
angle of depressions of its foot is 45°, ſhe height of the tower is
a. 10 + om
c. 10(3+1) m d. 10(V3 - 1) m
3. From two points on the ground present on same side of a coconut tree at a distance of 9m
and 16m away from the foot of the tree, the angle of elevations of the top of the tree are
complimentery. The height of the tree is
a.12m
15m
4. Two poles of equal heights are standing opposite each other on elther side of the road
which is 80m wide. From a point between them on the road, the angle of elevations of the
top of the poles are 60' and 30° respectively. The height of the poles are
b. som
203 m
403m
5. A straight highway leads to the foot of a tower. A man standing at the top of the
observes that a car at an angle of depression of 30° is approaching the foot of the to.
with a uniform speed. 12 seconds later, the angle of depression of the car is found to be
60°. The time taken by the car to reach the foot of the tower from the polnt where the
angle of depression is 60° is
10 sec
e 6 sec​

Answer 1

Answer:

Step-by-step explanation:

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