Animation and epycircle

Author:Hailu, Gizachew Kefelew

We rotate a circle about the center of another circle tangent to it using the animation feature of GeoGebra. Along the rotating circle, we will also rotate a point on its circumference about its center.

New Resources

A 3D Problem about Shadow
Special Right Triangles 30°-60°-90° and 45°-45°-90°
Tracing r = 2 cos(θ)
רישום חופשי
Graphing 1 + cos(theta) in Polar Coordinates

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Two englargement methods
Copia de Proportions in similar triangles
H Isoceles Triangle Const
Land
สมบัติพื้นฐานของระบบจำนวนจริง

Discover Topics

Circumcircle or Circumscribed Circle
Statistical Characteristics
Stochastic Process or Random Process
Similar Triangles
Calculus