Question

during the
or
of a tower. A man standing at the top of the
0
2)m= 87 m
F
3Q. 15. A straight highway leads to the foot
tower observes a car at an angle of depression
of 30°, which is approaching the foot of the
tower with a uniform speed. Six seconds later,
the angle of depression of the car is found to
be 60°. Find the time taken by the car to reach
the foot of the tower from this point.
T + CD be the tower of​

Answer 1

Answer:

45

Step-by-step explanation:

during the

or

of a tower. A man standing at the top of the

0

2)m= 87 m

F

3Q. 15. A straight highway leads to the foot

tower observes a car at an angle of depression

of 30°, which is approaching the foot of the

tower with a uniform speed. Six seconds later,

the angle of depression of the car is found to

be 60°. Find the time taken by the car to reach

the foot of the tower from this point.

T + CD be the tower of