Question

P'walked 1 km towards south direction and turned 900 acw and walked 2 km. then heturned his left and walked 1 km and then he turned his right and walked 2 km. after that heturned 900 acw and walked 3 km. how far is he from the starting point ?

Answer 1

As you can see in the attachment provided by me

The net displacement (Shown by red line) is
$= \sqrt{ 2^{2} + 2^{2} }$
$= \sqrt{ 4 + 4 }$
$= 2 \sqrt{2}$
$= 2.82 km$