<span>The square root of a number is a number that when multiplied by itself equals the original number. <em>Example</em>: The square root of 9 = 3. Thus: 3 x 3 = 9.</span> <span>Formula A is the square root of B if: A x A = B so </span><span>The </span>square root of 3 is sqrt{3} = 1.7320508<span> </span>Thus: 1.7320508 x 1.7320508 = 3