Is 475 a perfect square?

No, 475 is not a perfect square. Its square root is irrational.

What is 21.7944947177 squared?

21.7944947177 squared is approximately 475. (21.7944947177)² ≈ 475

√475 = 21.7944947177. 475 is not a perfect square; the result is irrational.

Instant answer with step-by-step solution

√475 = 21.7944947177

√475 = 21.7944947177

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

We need to find √475 — a number that when multiplied by itself equals 475.
475 is not a perfect square. Its square root is irrational.
It falls between √441 = 21 and √484 = 22.
Using the formula √N = N^(1/2): √475 = 475^0.5 = 21.7944947177
Verification: 21.7944947177 × 21.7944947177 ≈ 475 ✓ (rounded to 10 significant figures)

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