Is a regular triangle symmetrical

Answer 1

No such thing as a regular triangle.

You need to be more accurate in your triangular description.

Equilateral triangle is symmetric about three lines of symmetry.

Isosceles triangle is symmetric one line of symmetry.

Right-angled, and Scalene triangles have no lines of symmetry.

Answer 2

Yes an equilateral triangles has 3 lines of symmetry