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A shape with two-fold rotational symmetry looks the same after a rotation of 180 degrees. An example of this is a rectangle, which appears unchanged when rotated halfway around its center. Other shapes, like certain types of isosceles triangles and some polygons, also exhibit this symmetry. Essentially, any shape that can be flipped upside down and still match its original appearance has two-fold rotational symmetry.
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What shape has twofold rotational symmetry?
Any shape which, when rotated through 180 degrees appears to be the same as the original.
Can a shape have rotational symmetry and line symmetry?
Yes. Any equilateral shape can have both rotational and line symmetry.
Which shape line of symmetry but no rotational symmetry?
A semicircle.
Does a shape have to be a regular polygon in order to have rotational symmetry?
A line segment would have rotational symmetry.
Is there a relationship between the number of lines of symmetry a shape has and rotational symmetry?
No.
What shape has twofold rotational symmetry?
Any shape which, when rotated through 180 degrees appears to be the same as the original.
Can a shape have rotational symmetry and line symmetry?
Yes. Any equilateral shape can have both rotational and line symmetry.
What shape has order of rotational symmetry but no lines of symmetry?
no shape does! * * * * * Not true. A parallelogram has rotational symmetry of order 2, but no lines of symmetry.
What shape has a rotational symmetry of order 1?
none shapes have 1 rotational symmetry because in rotational symmetry one is none
Which shape line of symmetry but no rotational symmetry?
A semicircle.
What shape has a line of symmetry and rotational symmetry?
circle
Does a shape have to be a regular polygon in order to have rotational symmetry?
A line segment would have rotational symmetry.
What is Rotatioanl symmetry?
Rotational symmetry is the amount of symmetry you would have if you rotated the shape.
Is there a relationship between the number of lines of symmetry a shape has and rotational symmetry?
No.
What are the rotational symmetry of a 5 sided shape?
If it is a regular 5 sided pentagon then its order of rotational symmetry is 5
Which shape has 2 lines of symmetry but no rotational symmetry?
A rhombus is one example.
A shape with order 4 of rotational symmetry and has 4 lines of symmetry?
A square
