## Friday, January 18, 2019

### Nested Ellipses (Ellipse Whirl)

These animations are constructed by shrinking and rotating
a sequence of concentric and similar ellipses,
so that each ellipse lies inside the previous ellipse and is tangent to it.

All the angles of rotations are equal to 5°.

All the angles of rotations are equal to 10°.

All the angles of rotations are equal to 15°.

The angles of rotations are 0.5°, 1°, 1.5°, 2°, .....

All the angles of rotations are equal to 5°.

All the angles of rotations are equal to 5°.

All the angles of rotations are equal to the value of the animation parameter.

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( Mathematical software used: GeoGebra )

#### 8 comments:

1. Welcome back, I am waiting for you for too long.

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3. Endlich mal wieder Neues von dir!Dachte schon du wärst in den Hotels Obereggen Dolomiten abgetaucht.Liebe Grüße Leon

4. https://commons.wikimedia.org/wiki/File:Osculating_circles_of_the_Archimedean_spiral.svg

5. https://commons.wikimedia.org/wiki/File:Nested_Ellipses.png

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