A girl is standing at a point A. She moves towards the east 5m in a straight line then she turn north and moves 12 m at point B and comes at point A i.e, her starting point. What is the total distance she moved?
Answers
o B
/ |
13m / | 12m
/ | ^
/ | N
/ |
A o/------------o C
5m
Using pythogoras theorem, we get AB^2 = Sqrt(AC^2+BC^2)
=Sqrt(25+144)
=Sqrt(169)= 13 m
Hope this helps...