Square Root of 66
The square root of 66 is approximately 8.124038, or exactly √66 in simplified radical form. No, 66 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.
√66
8.124038
Simplified Radical Form
√66
Perfect Square
No
√66 is irrational — its decimal form (8.124038) never terminates or repeats. The simplified radical form (√66) is the exact value.
Frequently Asked Questions
What is the square root of 66?
The square root of 66 is approximately 8.124038, or exactly √66 in simplified radical form.
Is 66 a perfect square?
No, 66 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.
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