√378 = 19.4422220952. 378 is not a perfect square; the result is irrational.

Is 378 a perfect square?

No, 378 is not a perfect square. Its square root is irrational.

What is 19.4422220952 squared?

19.4422220952 squared is approximately 378. (19.4422220952)² ≈ 378

Instant answer with step-by-step solution

√378 = 19.4422220952

√378 = 19.4422220952

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

We need to find √378 — a number that when multiplied by itself equals 378.
378 is not a perfect square. Its square root is irrational.
It falls between √361 = 19 and √400 = 20.
Using the formula √N = N^(1/2): √378 = 378^0.5 = 19.4422220952
Verification: 19.4422220952 × 19.4422220952 ≈ 378 ✓ (rounded to 10 significant figures)

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