physics
posted by Shelby .
In a city grid, each block on the eastwest streets is 180 meters long. Each block on the northsouth streets is also 180 meters long. A walker walks 4 blocks north and then 3 blocks east. How much farther did the walker travel than the actual distance between the start and end points?

physics 
bobpursley
distance as the crow flies=180*sqrt(4^2+3^2)
distance he walked: 180*(3+4)
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