Question

Can anyone tell me how to solve this.. http://i.imgur.com/bMkKL.png ?

Answer 1

I told you once, I told you before. That is a constant.
take the fraction, square root what you get, and then multiply by 2pi

Answer 2

Can you find \(\sqrt{32}\) ??

Answer 3

\[\sqrt{32} = \sqrt{4 \times 4 \times 2} = ??\]

Answer 4

I don't get it..