2 ms·approx_20pct * 0.2 <= sqrt(2) <= approx_20pct / 0.2; so it might look like 0.3, or 4.5.by addaon 4y agoapprox_20pct * 0.2 <= sqrt(2) <= approx_20pct / 0.2; so it might look like 0.3, or 4.5.