√126 = 11.2249721603. 126 is not a perfect square; the result is irrational.

Is 126 a perfect square?

No, 126 is not a perfect square. Its square root is irrational.

What is 11.2249721603 squared?

11.2249721603 squared is approximately 126. (11.2249721603)² ≈ 126

Instant answer with step-by-step solution

√126 = 11.2249721603

√126 = 11.2249721603

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

We need to find √126 — a number that when multiplied by itself equals 126.
126 is not a perfect square. Its square root is irrational.
It falls between √121 = 11 and √144 = 12.
Using the formula √N = N^(1/2): √126 = 126^0.5 = 11.2249721603
Verification: 11.2249721603 × 11.2249721603 ≈ 126 ✓ (rounded to 10 significant figures)

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