Square Root of 78
The square root of 78 is approximately 8.831761, or exactly √78 in simplified radical form. No, 78 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.
√78
8.831761
Simplified Radical Form
√78
Perfect Square
No
√78 is irrational — its decimal form (8.831761) never terminates or repeats. The simplified radical form (√78) is the exact value.
Frequently Asked Questions
What is the square root of 78?
The square root of 78 is approximately 8.831761, or exactly √78 in simplified radical form.
Is 78 a perfect square?
No, 78 is not a perfect square. Its square root is irrational and never terminates or repeats as a decimal.
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