Folding a Triangle into a Tetrahedron

Author:Steve Phelps

Drag the slider (bottom of left pane) to begin. Questions to consider: Where is the foot of the tetrahedron altitude located? What is the measure of the height of the tetrahedron?

New Resources

The Geometry of the Coefficients of a Quadratic Function
Tracing an Ellipse Using Two Circles
Domain of f(x,y)
General Polar Equation of Conics with Rotation (2)
Taylor Error Bound

Discover Resources

Graph of cos(x)
Input box problem
Situation 1c
bits-demo
Problem 7_8

Discover Topics

Vectors
Piecewise Functions
Scalene Triangles
Rational Numbers
Dilation