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A line of symmetry is a line through a shape. It shows that on either side of this line that the picture is exactly the same. There can be more than one line of symmetry in a shape.

They are 'mirror images' when a shapes are divided by a lines of symmetry.

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For a 2-dimensional object, a line of symmetry is a line such that, if you were to fold the object along that line, the two sides would match up exactly.

For a 3-dimensional object, a line (axis) of symmetry is a line such that, if you were to rotate the object around it, its shape would remain the same.

When if you split something in half, it will look like one of the sides is looking into a mirror.

Q: What is lines of symmetry?

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2 lines of symmetry

A nephroid has 2 lines of symmetry.

A parallelagram can be a square, which has four lines of symmetry or a rectangle which has two lines of symmetry but the generic parallelagram has zero lines of symmetry

A decagon need not have any lines of symmetry. It can also have 1 or 10 lines of symmetry.

5 lines

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2 lines of symmetry

it has five lines of symmetry

A nephroid has 2 lines of symmetry.

Equilateral Triangles (3 lines of symmetry)Rectangles (at least 2 lines of symmetry)Squares (4 lines of symmetry)Rhombuses (at least 2 lines of symmetry)Any regular polygon (at least 5 lines of symmetry)

it has no lines of symmetry

A parallelagram can be a square, which has four lines of symmetry or a rectangle which has two lines of symmetry but the generic parallelagram has zero lines of symmetry

There is no such thing as 8 lines of symmetry. A circle, for example, has infinitely many lines of symmetry.

A decagon need not have any lines of symmetry. It can also have 1 or 10 lines of symmetry.

5 lines

Lines of symmetry are 2 dimensional. Planes of symmetry are 3D.

2 lines OF SYMMETRY

10 lines of symmetry