Leaving an answer in surd form means the answer is exact. This square has an area of 3 m 2. Calculate the length of each side. The length of each side is \(\sqrt{3}\) m. This answer is in surd form.

For example, \(\sqrt 4 = 2\) is not a surd. However \(\sqrt 5\) is a surd. If you use a calculator, you will see that \(\sqrt 5 = 2.236067977...\) and we will need to round the answer correct to a ...