Question

Can somebody please explain how you get the very last step of this equation? Length of a line segment.

Answer 1

Here it is.

Answer 2

\[152=9\times 17\]

Answer 3

oops i meant \(153=9\times 17\)

Answer 4

and so \(\sqrt{153}=\sqrt{9\times 17}=\sqrt9\sqrt{17}=3\sqrt{17}\)

Answer 5

Ok I see, thanks!