What is the Square Root of 669?

Step-by-step explanation

1. We need to find √669 — a number that when multiplied by itself equals 669.
2. 669 is not a perfect square. Its square root is irrational.
3. It falls between √625 = 25 and √676 = 26.
4. Using the formula √N = N^(1/2): √669 = 669^0.5 = 25.8650343128
5. Verification: 25.8650343128 × 25.8650343128 ≈ 669 ✓ (rounded to 10 significant figures)

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