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Only equilateral triangles and some irregular polygons of (3n) sides have 3 lines of symmetry.
A regular polygon with n sides (or vertices) has n lines of symmetry. If n is even, there are n/2 lines of symmetry from vertex to opposite vertex and another n/2 from the middle of a side to the middle of the opposite side. If n is odd, there are n lines of symmetry from vertex to the midpoint of the opposite side.
Wiki User
∙ 9y ago
Wiki User
∙ 10y agoan equal triangle
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Shapes which have 3 lines of symmetry?
Equilateral triangle.
Do all shapes have lines of symmetry?
not all shapes have lines of symmetry. one example is a triangle.
Does all shapes have line of symmetry?
No. Asymmetric shapes do not have any lines (or planes) of symmetry.
3 shapes with no lines of symmetry?
A scalene triangle, A trapezoid, an irregular pentagon.
Do irregular shapes have lines of symmetry?
no
What 4 sided shapes have 4 lines of symmetry?
A square has four lines of symmetry.
What shapes have two lines of symmetry?
Ellipses and non-square rectangles have two lines of symmetry.
What shapes has four line of symmetry?
A square has 4 lines of symmetry
What shapes have lines of symmetry?
trianglessquaresrectanglesgeneral starsoctagonshexagonspentagons
What is the symmetry of sphere?
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.
Why are there no lines of symmetry on a parrallelogram?
Most shapes do not have lines of symmetry so why should it come as a surprise that a parallelogram has none?
What shapes has 2 lines of symmetry only?
sircle
