You can use a theorem to solve this [I Love Math]

A girl moves 4km towards East. Then moves 3km towards North. How far she is from the starting point.

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Adogslife · 61-69, M

You could use the Pythagorean theorem, but that’d take effort.

It’s easier to just realize it’s a 3-4-5 right triangle and do no work whatsoever 😉