Rotational symmetry refers to symmetry of the figure when it is rotated about a single point in the same plane. Lines of symmetry apply to reflections. You do not have lines of rotational symmetry.
Yes. A circle has infinitely many lines of symmetry and it also has rotational symmetry of infinite order.
None or one.
It depends on the irregular figure. A rectangle, for example, has two.
Anything from none to 8.
If the figure is an image of a real heart, then there are no lines of symmetry. If it is an idealised heart, then 1.
Rotational symmetry refers to symmetry of the figure when it is rotated about a single point in the same plane. Lines of symmetry apply to reflections. You do not have lines of rotational symmetry.
Yes. A circle has infinitely many lines of symmetry and it also has rotational symmetry of infinite order.
That will depend on the shape of the figure which isn't named
None or one.
It depends on the irregular figure. A rectangle, for example, has two.
Anything from none to 8.
It has 2 lines of symmetry
3
It can have 1 or 6. Not sure about 3.
I have no idea! That's what I am trying to figure out for my math homework.
A nephroid has 2 lines of symmetry.