1 Determine whether is rational irrational or not a real number Evaluate the radical if it is rational If the ra 169 is irrational approximate the radical rounded to two decimal places Is 1 169 rational irrational or not a real number irrational Orational O A not a real number Select the correct choice below and if necessary fill in the answer box to complete your choice 1 169 Type an integer or a simplified fraction The radical is not a real number