Two-dimensional 36453
Two of its inhabitants stand at one point in the land of two-dimensional beings. Suddenly, they both start running at the same moment. Resident A runs north at 5m/s, and resident B runs east at 12m/s. Calculate how fast they are moving away from each other.
Correct answer:

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See also our right triangle calculator.
You need to know the following knowledge to solve this word math problem:
geometryarithmeticplanimetricsUnits of physical quantitiesthemes, topicsGrade of the word problem
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