Geometric Construction 8


Construct an animation displaying various equilateral triangles whose sides are tangent to the cardioid. The number of solutions is > 1.


Construct an animation displaying a rigid nephroid passing through the vertices of a stationary equilateral triangle.


Construct an animation displaying a rigid astroid passing through the vertices of a stationary equilateral triangle.


Construct the gear-wheel coupling of epicycloids and hypocycoids.



Construct the gear-wheel coupling of epitrochoids and hypotrochoids.