How here diagonal is root 2a Share with your friends Share 0 Brijendra Pal answered this Hi, The side of a square ABCD is a so CD = BC = AB = AD = a so in right angle triangle ABD diagonal BD is hypotenuse so using pythagorus theorem BD 2= AD2+AB2BD = a2+a2= 2a2= a2 1 View Full Answer Ahmad answered this answer 1 Sujay Paul answered this Ryt 0
