Question

What is the line of symmetry of a semi circle? Does it have rotational symmetry???

Answer 1

the radius perpendicular to the diameter of the semicircle is the line of the symmetry to it

It do not have rotational symmetry

Answer 2

The line of symmetry of the semicircle is the line which divides the semicircle into two equal parts having same shape.No it do not have rotational symmetry but if we take circle then it has rotational symmetry.