A surveyor is surveying a cave. He follows a passage that goes 210 m straight west, then
Channel: Doubtnut
Date: 05/04/2020

A surveyor is surveying a cave. He follows a passage that goes 210 m straight west, then `90sqrt(2)m` in a direction `45^(@)`east of north, then 100 m at `37^(@)` east of south. After a fourth unmeasured displacement he finds himself back where he started. determine the fourth displacement (magnitude and direction).