A man goes 15 metres due west and then 8 metres due north. How far is he from the starting point?

Let the man starts walk from point A and finished at


ttttttttttt.jpg


Point C.


∴ In ⊿ ABC


SO AC2=AB2+BC2


AC2=82+152


AC2=64+225


AC2=289


AC=


AC=17 m


The man is 17 m far from the starting point.


3