shabbir's Avatar, Join Date: Jul 2004
Go4Expert Founder
Congrats XP and effective use of observing things around.
SaswatPadhi's Avatar, Join Date: May 2009
~ Б0ЯИ Τ0 С0δЭ ~
Nice question and observation xpi0t0s

5 * sqrt(2) = 7.0710 = 7 (approx.)
Nice.