Final answer:
The square root of 361 is rational because it can be expressed as a whole number, 19.
Step-by-step explanation:
The square root of 361 is 19. Since 19 is a whole number, the square root of 361 is rational. A rational number is any number that can be expressed as the ratio of two integers. In this case, 19 can be written as 19/1, which is the ratio of two integers.
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