physics
posted by Abdullah on .
you walk north for 2.5 miles. Then you walk east a distance of 3 miles. How many miles from the starting point are you?

d^2 = x^2 + y^2
d^2 = 3^2 + 2.5^2
d = sqrt (9 + 6.25)
d = sqrt (15.25)
d = 3.91 miles