square root
Sign in to saveinverse operation of square for finding the original base number; that base number itself
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A square root is the number that, when multiplied by itself, gives you the original number—for example, 3 is the square root of 9 because 3 × 3 = 9. Square roots matter because they let us reverse the squaring process and solve practical problems in areas like construction, engineering, and science where we need to find missing measurements.
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Article
Notation for the (principal) square root of x. For example, √25 = 5, since 25 = 5 ⋅ 5, or 5 (5 squared).
In mathematics, a square root of a number x is a number y such that