<P> An equilateral triangle is the most symmetrical triangle , having 3 lines of reflection and rotational symmetry of order 3 about its center . Its symmetry group is the dihedral group of order 6 D . </P>
<P> An equilateral triangle is the most symmetrical triangle , having 3 lines of reflection and rotational symmetry of order 3 about its center . Its symmetry group is the dihedral group of order 6 D . </P>
how many lines of symmetry has an equilateral triangle
how many lines of symmetry has an equilateral triangle
3 lines of reflection and rotational symmetry of order 3 about its center
3 lines of reflection and rotational symmetry of order 3 about its center