2 lines of symmetry
There are infinitely many axes of symmetry in mathematics.
There are infinitely many lines of symmetry. Every line can be a line of symmetry for a suitable shape.
Infinitely many planes of symmetry
One line of symmetry
2 lines of symmetry
3 is how many lines of symmetry a triangle has.
None - it has rotational symmetry - not reflection symmetry.
Infinitely many. Every diameter is a line of symmetry.
There are 180 lines of symmetry in a circle.
10 lines of symmetry
5 symmetry axis
1 line of symmetry