The square root of 3 is a positive real number that, when multiplied by itself, gives the number 3. It is denoted as √3 or 3^0.5 and is more precisely called the principal square root of 3. The value of the square root of 3 rounded to 7 decimal places is 1.7320508. It is an irrational number and cannot be expressed as a simple fraction. The square root of 3 can be found using the long division method, and its value is approximately equal to 1.732