What is the square root of 77?

Answer

8.774964

77 is not a perfect square8.774964² = 8.774964² ≈ 778.774964 × 8.774964 = ≈ 77

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How We Calculated This

√n — the number which, multiplied by itself, equals n

√77 = 8.774964

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Calculated using verified formulas. Last updated March 2026.