Discussion
A person starts from point A, walks 10 m north, turns right and walks 5 m, then turns right again and walks 10 m, and finally turns left and walks 5 m. How far and in which direction is the person from point A ?
Answer: C
The person is 10m East of point A.
Trace the walk: 10 m north; right turn means east, 5 m; right again means south, 10 m, back to the starting latitude; left turn from south means east, 5 m more.
The north and south legs cancel, and the two east legs add to 10 m, so the person ends 10 m due east of A. 5 m East counts only one of the eastward legs, and the West options take a left turn as west.
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