The Science of the Shulba: A Study in Early Hindu Geometry c20.s1.6

c20.s1.6

Now, it has been stated before, the diagonal of a square is its *dvi-karaṇī*. So this rule gives the relation between the diagonal and side of a square. Indeed the above rule is particularly meant to define that relation. Thus we get $√ 2 = 1 + ⅓ + 1/3.4 - 1/3.4.34.$