What is the square root of 21?

Here we will explain and calculate the square root of 21. First, note that the square root of 21 can be written with a mathematical symbol like this:

√21

When we calculate the square root of 21, the answer is the number (n) that you can multiply by itself that will equal 21. In other words, n × n should equal 21. Therefore, the equation to solve the problem is as follows:

n² = 21

And when we solve the equation above, we get the answer to the square root of 21:

√21 ≈ 4.58257569495584

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