They have infinite lines of symmetry.
A circle has infinitely many points of symmetry. Every straight line that passes through the center of a circle is a line of symmetry.
A circles lines of symmetry go on forever no matter which way you go.
A circle has an unlimited amount of symmetry lines, as long as the line passes through the middle point of the circle.
There is an infinite number of lines across a circle that form two symmetric half-circles.
One line of symmetry
two of the faces of a cylinder are circles circles have an infinite number of lines of symmetry therefore cylinders have an infinite number of planes of symmetry
It has 1 line of symmetry
There are infinitely many lines of symmetry. Every line can be a line of symmetry for a suitable shape.
It has 1 vertical line of symmetry
A line has only 1 line of symmetry that i know of.
A cardioid has 1 line of symmetry.
A line has 180 degrees rotational symmetry.