Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

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

  • Slope Illustrator (2)
  • Pythagorean Template: Integer Legs
  • Squares Question
  • What Do You See? (2)
  • Quadrant Illustrator

Discover Resources

  • Polar Functions
  • BEC What's Watt Solution
  • geo 1
  • Using GeoGebra to Differentiate Ss' Discovery Learning Ex's
  • Modul 2.1_Aprilya, S.Pd._SMP Negeri 2 Tanah Abang

Discover Topics

  • Definite Integral
  • Optimization Problems
  • Cone
  • Plane Figures or Shapes
  • Scatter Plot
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®