Square Root Calculator › Square root of 80
Square Root of 80
√80 ≈ 8.944272
80 is not a perfect square, so √80 is an irrational number that is approximately 8.944272. In simplified radical form, √80 = 4√5.
√80 lies between √64 = 8 and √81 = 9.
| Number | 80 |
| Square root (decimal) | 8.944272 |
| Simplified radical | 4√5 |
| Perfect square? | No |
| Rational? | No |
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Frequently asked questions
Is 80 a perfect square?
No, 80 is not a perfect square, so its square root is irrational and approximately 8.944272.
What is the square root of 80 in simplest radical form?
√80 = 4√5 in simplest radical form.