Quick Answer

√20

√20 = 4.472136. The square root of 20 is the number that, when multiplied by itself, equals 20. √20 = 4.472136.

4.472136

√20 = 4.472136

How to Calculate √20

The square root of 20 is the number that, when multiplied by itself, equals 20. √20 = 4.472136.

Find x where x² = 20√20 = 4.472136

Verification4.472136 × 4.472136 ≈ 20

√20 = 4.472136

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