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

Marion's Theorem
Proof of a Rhombus by Construction and Deduction
အခြေခံ data အခေါ်အဝေါ်များ
Dividing a 3-digit number by a 1-digit number (1)
Converting Between Degrees and Radians

Discover Resources

Tessellations
Modelling a quadratic sequence
Ggb-SL trajectoire_variable
Explore Rectangles
mirerminerr
day 110

Discover Topics

Expected Value
Histogram
Reflection
Kite
Statistics