not all shapes have lines of symmetry. one example is a triangle.
A square has 4 lines of symmetry
trianglessquaresrectanglesgeneral starsoctagonshexagonspentagons
Three dimensional shapes, generally, don't have lines of symmetry, but a circle has an infinite number is symmetry lines. 3D shapes also don't have rotational symmetry either, but a circle has an infinite number of that as well.
Most of them.
Equilateral triangle.
not all shapes have lines of symmetry. one example is a triangle.
How many lines of symmetry does an equilateral triangle have?
No. Asymmetric shapes do not have any lines (or planes) of symmetry.
no
A square has four lines of symmetry.
Ellipses and non-square rectangles have two lines of symmetry.
A square has 4 lines of symmetry
trianglessquaresrectanglesgeneral starsoctagonshexagonspentagons
Three dimensional shapes, generally, don't have lines of symmetry, but a circle has an infinite number is symmetry lines. 3D shapes also don't have rotational symmetry either, but a circle has an infinite number of that as well.
Most shapes do not have lines of symmetry so why should it come as a surprise that a parallelogram has none?
sircle