The answer will depend on who you are and so which country's flag you are asking about.
That depends what country you live in!
the British flag has no lines of symmetry it only has a point of symmetry (in the middle of the flag)
The flag of Jamaica has 2 lines of symmetry.
The south Korean flag has no lines of symmetry.
One
2
2
the British flag has no lines of symmetry it only has a point of symmetry (in the middle of the flag)
The flag of Jamaica has 2 lines of symmetry.
The south Korean flag has no lines of symmetry.
one vertical line of symmetry.
The flag of Ukraine has 1 line of symmetry.
there are none.
None...
2
2
One
2