Question #b1829

1 Answer
Aug 29, 2017

Around 5.7 km

Explanation:

Use pythagorean's theorem: #c^2=a^2+b^2#
So #c=sqrt(a^2+b^2)#
Since he's going left (on cartesian coordinates) 3.5km and up 4.5km, his final position would be (-3,5, 4.5) so you would just substitute
#c=sqrt(-3.5^2, 4.5^2))#
#c=sqrt(12.25+20.25)#
#c=sqrt(32.50)#
#sqrt(32.50)# is about 5.7km.