√780 = 27.9284800875. 780 is not a perfect square; the result is irrational.

Is 780 a perfect square?

No, 780 is not a perfect square. Its square root is irrational.

What is 27.9284800875 squared?

27.9284800875 squared is approximately 780. (27.9284800875)² ≈ 780

Instant answer with step-by-step solution

√780 = 27.9284800875

√780 = 27.9284800875

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

We need to find √780 — a number that when multiplied by itself equals 780.
780 is not a perfect square. Its square root is irrational.
It falls between √729 = 27 and √784 = 28.
Using the formula √N = N^(1/2): √780 = 780^0.5 = 27.9284800875
Verification: 27.9284800875 × 27.9284800875 ≈ 780 ✓ (rounded to 10 significant figures)

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