Question

A man on the top of a vertical tower observers a car moving at a uniform speed coming directly towards the tower.If it takes 12 minutes for the angle of depression to change from 30° to 45°,how soon after this will the car reach the tower (√3=1.7)​

Answer 1

Answer:

Let the tower’s height AB be h meters

Distance=v×t

Here  

Speed=v

Time=t

Distance=vt

In Triangle ABC

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Answer 2

Answer:

Let the tower’s height AB be h meters

Distance=v×t

Here  

Speed=v

Time=t

Distance=vt

In Triangle ABC

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