a moving boat is observed from the top of a 150 M high Cliff moving away from the clip the angle of depression of the boat changes from 60 degree to 45 degree into minutes find the speed of the boat in metre hour
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tan 30= 150/x. x=259.8
tan 45= 150/y. y= 150
distance cover in min = (259.8-150)=109.8m
speed of boat =6588 mph
speed in kmph = 6.58
tan 45= 150/y. y= 150
distance cover in min = (259.8-150)=109.8m
speed of boat =6588 mph
speed in kmph = 6.58
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