Well, if you mean the shape, it has four equal sides. If you mean the square of something, like 2 squared, it is just the number times itself. For example, 22 would equal four. (2 X 2 = 4). 42 equals sixteen. (4 X 4 =16).
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the simple answer is: because there is. its just the way maths rolls.
In America it is math, in most European countries it is maths
Yes, math is called maths in Welsh.
The square root is the number which, multiplied by itself, gives the number you are square rooting.For example,The square root of 36 is 6, because 6 * 6 = 36.* * * * *Note, though, that (-6)*(-6) is also + 36 so -6 is also a square root of 36