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All about geometric rings for your smartphone, your iPhone or any phone.In geometry, a ring is also called a toroid, and is defined as the surface of revolution around an axis that generates a polygon in a closed curve.
Animated gifs and animations of geometric rings to share on social networks, download or send to other phones for Whatsapp, Line or Skype. The toroids, or just torus are geometric figures donut shaped in three dimensions. On the plane, this figure is called annulus. The volume of a ring is obtained with the formula V = 2πRA, where A is the area of the figure and the offset R. You can get a toroid from any figure, not only of polygons, and sometimes rings with curious shapes are obtained. These images show some hoops 3D with different types of movements.