\(\sqrt{3} = 1.732050807568877\) ... \(\pi = 3.14159\) ... Roots that cannot be written as exact decimals are called surds. Leaving an answer in surd form means the answer is exact. This square has an ...

If the denominator has just one term that is a surd, the denominator can be rationalised by multiplying the numerator and denominator by that surd. \(\frac{\sqrt{2 ...