the square root of 2
the square root of 196
the square root of 169
the square root of 16
the square root of 13

What is the square root of 20?

The square root of 20, denoted as √20, is an irrational number. It represents the positive real number that, when multiplied by itself, equals 20.

  • Value: √20 is approximately equal to 4.472.

  • Simplification: √20 can be simplified. Since 20 = 4 * 5, we can express √20 as √(4 * 5) = √4 * √5 = 2√5. This simplification is useful in various mathematical contexts. Learn more about the concept of simplifying square roots.

  • Rational vs. Irrational: The square root of 20 is an irrational number, meaning it cannot be expressed as a simple fraction p/q, where p and q are integers. Its decimal representation is non-repeating and non-terminating.

  • Applications: The square root of 20 appears in geometry (e.g., the diagonal of a rectangle), algebra, and various scientific calculations. Also, it can be expressed in terms of perfect squares for simplification.

the square root of 225
the square root of 25
the square root of 256
the square root of 36
the square root of 4
the square root of 40
the square root of 400
the square root of 49
the square root of 5
the square root of 50
the square root of 6
the square root of 64
the square root of 7
the square root of 8
the square root of 81