√90 = 9.4868329805. 90 is not a perfect square; the result is irrational.

Is 90 a perfect square?

No, 90 is not a perfect square. Its square root is irrational.

What is 9.4868329805 squared?

9.4868329805 squared is approximately 90. (9.4868329805)² ≈ 90

Instant answer with step-by-step solution

√90 = 9.4868329805

√90 = 9.4868329805

⚠ 90 is not a perfect square — result rounded to 10 significant figures

We need to find √90 — a number that when multiplied by itself equals 90.
90 is not a perfect square. Its square root is irrational.
It falls between √81 = 9 and √100 = 10.
Using the formula √N = N^(1/2): √90 = 90^0.5 = 9.4868329805
Verification: 9.4868329805 × 9.4868329805 ≈ 90 ✓ (rounded to 10 significant figures)

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