SOLUTION: Jonny walks 5 km south and then 4 mm east. How far is he from his starting point?

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Question 959694: Jonny walks 5 km south and then 4 mm east. How far is he from his starting point?
Answer by Alan3354(69443) About Me  (Show Source):
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Jonny walks 5 km south and then 4 mm east. How far is he from his starting point?
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5 km = 5000 meters = 5000000 mm
d+=+sqrt%285000000%5E2+%2B+4%5E2%29 mms
d =~ 5 km