how many lines of symmetry does the hindu-arabic number 1 has Share with your friends Share 0 Anneysha Sarkar answered this "1" doesn't have any lines of symmetry. But,If 1 is written as I then it has 2 lines of symmetry. -1 View Full Answer Daksh Sammi answered this 1 does not have -1 Aditi Sharma answered this no 2