.Identify √45 as rational number or irrational number. Share with your friends Share 1 Anuradha Sharma answered this 45=3×3×5=35Now we know that 3 is rational number and 5 is irrational so product of rational and irrational numebr will be irrational number.Hence 45 is an irrational number. 1 View Full Answer Vishnu R Menon answered this It is Irrational as square root of 45 is 6.708203932499369........ 0
