Quick Lamp Base Modeling Demo

作成者: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

新しい教材

Graph of Slopes of Tangent Lines
apec
Domain of f(x,y)
The Geometry of the Coefficients of a Quadratic Function
Trammel of Archimedes Art

教材を発見

First geogebra
Венов дијаграм и подскупови
DCDCRAMP2
Probability Calculator
Untitled

トピックを見つける

曲面
接線
ランダムな実験
正三角形
三角形