What is the square root of 81?

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asked Oct 17, 2018 48.5k views

1 Answer

Marinario Agalliu · Answer 1 · 2018-10-23T16:22:07+0000

Let say 81=x.
The square root of x is a number*the same number=x.
In our case, -8 and 8 works. But, because this question asks just for the square root, we use the principal root which is just 9.
9 is your answer.

What is the square root of 81?

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