Quick Lamp Base Modeling Demo

Author:Tim Brzezinski

In this screencast, notice how the base is a frustum of an elliptical cone. That is, for this surface, cross sections of planes parallel to the floor and this surface are ellipses.

Quick Silent Demo

New Resources

Rolling a Square
Fractal Tétraèdre. Dilatation -1/2 centre triangles
အခြေခံ data အခေါ်အဝေါ်များ
Trammel of Archimedes Art
Taylor Error Bound

Discover Resources

Animation 206
สามเหลี่ยมปีทาโกรัส
พีระมิด
Isabelle Garand_Geogebra Quadrilateral S, A, N
CP 1 (Hurt, T)

Discover Topics

Conditional Probability
Integers
Pythagoras or Pythagorean Theorem
Cylinder
Cube