Question

A straight highway leads to the foot of a national communication and telecasting tower. A watchman standing at the top of the tower observes a car at an angle of depression of 30 which is approaching the foot of the tower with a uniform speed. 2 minutes later the angle of depression was found to be 60 degree. Then the watchman suspects that some terrorist are approaching the tower. It needs half a minute for the watchman to inform the security staff to be on the alert .
a/How much time the car will take to reach the foot of the tower
b/willthe security staff be able to save the tower from terrrorists.

Answer 1

Answer:

Step-by-step explanation:

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.-((#7(-+₹7₹(+₹₹)#-:!-hty7

Answer 2

height is 7 ...........