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Digital kaleidoscope
Author:
Maurice OReilly
GeoGebra
The elements of a kaleidoscope
Move the red points to explore this kaleidoscope. What do you notice?
New Resources
Portions of a Sphere
Proving Triangles Similar by Dilation
apec
Right Triangle Trig Ratios: sin, cos, tan
Inversión esférica de nudos: el nudo trébol y el nudo ocho
Discover Resources
proyeksi vektor ortogonal
Circles - Calculating Area and Circumference
[洋葱] 用垂径定理算弦长
Finding Unknown Values in Vertical Angles
Discover Topics
LCM and GCD
Confidence Interval
Symmetry
Root
Distributions