Images for Mathematics

A pea

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A seed of pea (Pisum sativum), a plant belonging to the family of the Papilionaceae. If we cut a bean in a particular way, we get a prismatic symmetry with two planes of symmetry.
A photo like this is an example of a rosette with dihedral symmetry of type D1, and it can be reproduced with a mirror.

The image belongs to the sections...:
Other prismal groups (Symmetry)
From "symmetry and everyday life" (From "XlaTangente")
Fruits (Symmetry)
Fruits and seeds (Anthology of images)
In the kitchen (Anthology of images)
In the kitchen (Symmetry)

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