Square Root of 81
The square root of 81 is exactly 9. Yes, 81 is a perfect square. Its square root, 9, is a whole number.
√81
9
Simplified Radical Form
9
Perfect Square
Yes
Frequently Asked Questions
What is the square root of 81?
The square root of 81 is exactly 9.
Is 81 a perfect square?
Yes, 81 is a perfect square. Its square root, 9, is a whole number.
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