Anju walks 15 meters toward north,then she turns left at 90and walks 30.meters , then turns right at 90° and walks 25 meters .How far is the sh3 from the starting point is in which direction 50 meters north west ,50 metres west,55metres northeast , 60meters north
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Answer:
Suppose Madhu starts walking from a point A.
She walks 15m towards North, then turns left and walk30m then turns right and walk 25m.
Let D be the end point of Madhu.
Now after completing the walk she make a right angle triangle BCD at point B with base DC=25m and height BC=30m.
∴ BD
2
=BC
2
+DC
2
=30
2
+25
2
=900+625=1525
∴ BD=39m
∴ Madhu is 54m North-West from the starting point.
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