No stopping sign (rotationally symmetrical) © Siemens Stiftung 2015 CC BY-SA 4.0 international

No stopping sign (rotationally symmetrical)

Image

Photo:
A no stopping sign has a rotational symmetrical pattern.

English, German
Image (857.0 kByte)
2018-02-01
This sign, familiar in Europe, informally leads to two important characteristics for rotational symmetry: It involves rotation (round shape) and a center of rotation (indicated by the crossing lines).
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Example
Mathematics
Grade 1 to 4
Elementary school
Geometric figure; Geometry
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