A boy at point P standing at a distance of 12 meters from the foot of a tower AB observes a man on the top of the tower at angle of elevationof 30° . The man on the top of the tower observes a stationary car at point C on the ground at an angle of depression of 60°. Find the distane of boy from the car
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to find : distance between PC
tan 30°= AB÷12
1 / root 3 = AB/ 12
AB = 4 root 3
Let BC = x m
tan60° = AB/x
root3 = AB/ x
x = AB / root3 ----------- (1)
Evaluate the value of AB IN eq. 1
x = 4
The distance between PC is (12 - x )
= 12 - 4
= 8 m
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