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Ellipse Tangents - Cool Property
Author:
Chip Rollinson
Topic:
Ellipse
GeoGebra
Thanks to Idan Tal for tweeting this animation.
https://twitter.com/MagicPi2/status/1188546196039786496
New Resources
Droste effect
探究由平行線和截線所成的角
Droste effect draft
alg2_05_05_01_applet_exp_flvs
Average Rate of Change: Graph a Function (2)
Discover Resources
Surface of revolution-1
Start, 45 degree angle
Kim_GeogebraHW3
Parallel Lines
dodecahedron with antiprisms
Discover Topics
Curve Sketching
Equilateral Triangles
Percentages
Right Triangles
Logic