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7 November, 17:28

Why is 5 to the 2 power also read as 5 squared

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  1. 7 November, 19:51
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    The reason for this has to do with finding the area of a square. When you are looking for the area of a square, you use the rectangle formula (since a square is also a rectangle).

    The formula is Area = Length * Width

    However, since in a square, the length and width are the same, both get changed to the word "Side". As a result, we get the following formula.

    Area = Side * Side

    This can be simplified to:

    Area = Side^2.

    Since each number to the second power also shows the area of a square with that given length sides, it can also be called "squared".
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