A boy standing on a horizontal plane finds a bird flying at a distance of 100m from

him at an elevation of 30

0 . A girl standing on the roof of 20 meter high building finds the angle of elevation of the same bird to be 45 0 . Both the boy and the girl are on opposite sides of the bird. Find the distance of the bird from the girl.


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  • 258

ans is 30root2......

  • 4

30 cm

  • -26

finalise the answer i want step

  • -22

shouldn't BQ be 100m and not BP?

the distance should  be measured from  the ground right?

  • 2
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