Number of lines of symmetry is 0; order of rotation is 2
Number of lines of symmetry is 1.
Order of rotation is 0, because it is an isosceles triangle
iii) Number of lines of symmetry are 2
Order of rotation is 2
iv) Number of lines of symmetry 8 and order of rotation 8
Number of line of symmetry is 1 and order of rotation 0.