Answer :
Well, the square root of 2 is about 1.4
So,
[tex] \sqrt{2} [/tex] ≈ 1.4
[tex]12 * 1.4 = 16.8[/tex]
So,
[tex] \sqrt{2} [/tex] ≈ 1.4
[tex]12 * 1.4 = 16.8[/tex]