Question

a person move 2m South,2m east and 4m South,find distance covered by him displacement

Answer 1

Here we get a right angle triangle:

Now we have to find the length of OP,

We can find length of OP by using Pythagoras theorem...

OP = square root of ( 6^2 + 2^2 )
OP = square root of ( 36 + 4 )
OP = $\sqrt{40}$
OP = 2 $\sqrt{10}$ m