Respuesta :

kishonwinston
Well i know some common squares of 1-1,2-4,3-9,4-16,5-25,6-36,7-49,8-64

Well looking at the list, we see that 55 falls between 49 and 64, meaning its root is between 7 and 8. We are right since the root of 55 is 7.4!