a person travels 12 km towards north and turns left and travel 5 km . find the distance he is Now from the starting point
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Person travels distance towards north(p)=12km
he travels towards left(b)=5km
so, now the distance from the starting point (h)=
(12^2+5^2)^1/2 {by pythagoras }
=(144+25)^1/2
=(169)^1/2
=13 km
hence,distance from the starting point is 13 km.
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