math
posted by trey .
what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB.

perform the movement on a grid, I have it ending up at B (6,2) from A(0,0)
AB = √( (60)^2 + (20)^2 ) = √40 or 2√10
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