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Not necessarily. A rhombus is an equilateral quadrilateral but does not have a line of symmetry. An irregular octagon does not, either.

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Related Questions

Is an octagon a line of symmetry?

An octagon is a 2-dimensional figure, not a line of symmetry. However, it has several lines of symmetry.


Does a triangle have a line symmetry rotational symmetry or both?

An equilateral triangle has both line symmetry and rotational symmetry. A non-equilateral isosceles triangle has line symmetry but not rotational symmetry. A scalene triangle has neither kind of symmetry.


Is a Octagon a symetrical shape?

A regular octagon has 8 line of symmetry.


Does an octagon have an oblique line of symmetry?

Yes.


Can a shape have rotational symmetry and line symmetry?

Yes. Any equilateral shape can have both rotational and line symmetry.


How many line of symmetry does an octagon have?

A regular octagon has 8 lines of symmetry and one center point of symmetry An octagon can also have fewer lines of symmetry: 0, 2 or 4 .


Does an equilateral trianglel have line symmetry or rotational symmetry or both?

3 of each


What quadrilateral has no rotational symmetry but has one line of symmetry?

A kite or an equilateral trapezium.


What type of triangle has 1 line of symmetry?

An equilateral triangle and an isoceles triangle have one line of symmetry.


Has an equilateral triangle have a line of symmetry?

Yes it has three.


Does an equilateral triangle have one line of symmetry?

yes


Do triangle contain line of symmetry?

Some triangles do have a line of symmetry. Equilateral and Isosceles triangles have a line of symmetry. If you can fold a triangle into two equal halves, the folding line is a line symmetry.