Unfortunately the browser that we are forced to use cannot support anything but the most basic fonts. In Word, in the symbols menu, it is Character code 214 in the Symbol font.
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well the square root of 16 is 4. look: 42 = 16 because 4 X 4 = 16. just put any number under the square root sign. (it looks like a division sign except it's like a check mark and a division sign put together) so put your number under there and you got the square root of a number
The symbol for a a square root sign is: √
You look for a perfect square among its factors; if you factor it into prime factors, you would look for a repeated prime factor. Then you take that factor out of the root sign (taking the square root of it, while you do it).
The square root sign is called a radical
The name of the tail on the square root sign is the radical.