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A shape does NOT need to have line symmetry in order to have rotational symmetry.
For example, the letters N, Z and S can be rotated 180° to show symmetry, but none of these show line symmetry.
When the folded part Line of Symmetry. Here I have folded a rectangle one way, and it didn't work.
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A line has how many rotational symmetry?
A line has 180 degrees rotational symmetry.
Is a smiley face a line symmetry or rotational symmetry?
Line symmetry.
Is there a pentagon with line of symmetry but no rotational symmetry?
Yes
What is the name of a shape with 1 parallel line and 1 symmetry?
You cannot have one parallel line. There must be another line that it is parallel to. Also, 1 symmetry is meaningless - you can have one axis of symmetry or rotational symmetry of order one. The answer will depend on which one it is.
What figure has rotational symmetry but not line symmetry?
A figure that has rotational symmetry but not line symmetry is a figure that can be rotated by a certain angle and still look the same, but cannot be reflected across a line to create a mirror image of itself. An example of such a figure is a regular pentagon, which has rotational symmetry of 72 degrees but does not have any lines of symmetry. This means that if you rotate a regular pentagon by 72 degrees, it will look the same, but you cannot reflect it across any line to create a mirror image.
