WorkedMathGlossary

Square Root of 90

The square root of 90 is approximately 9.486833, or exactly 3√10 in simplified radical form. No, 90 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.

90
9.486833
Simplified Radical Form
3√10
Perfect Square
No

90 is irrational — its decimal form (9.486833) never terminates or repeats. The simplified radical form (3√10) is the exact value.

Frequently Asked Questions

What is the square root of 90?

The square root of 90 is approximately 9.486833, or exactly 3√10 in simplified radical form.

Is 90 a perfect square?

No, 90 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.

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