physics
posted by Josh
In a city grid, each block on the eastwest streets is 100 meters long. Each block on the northsouth streets is 20 meters long. A walker walks 4 blocks west and then 4 blocks south. How much father did the walker travel than the actual distance between the start and end points?
A) 79m
B) 80m
C) 60m
D) 72m
E) 66m

Elena
D)
{4•100 +4•80} – sqrt(400² +80²) = 72 m
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