Question

a ship covered a distance of 41 km due north and then 23 km due east and again 15 km towards north direction.how far is it from the point where it started?

Answer 1

so in effect the ship went 41 + 15 or 56 north
and 23 east.
so
d^2 = 56^2 + 23^2 = 3665
d =√3665 = 60.5 km