General Tetrahedron Net
This net folds to make a tetrahedron with the green triangle as a base, the peak vertex above the red X at height H, given by the slider.
If you're printing and cutting, remember to leave some tabs to help with the taping.
Posted at mathhombre.blogspot.com
Extension: can you make tetrahedron with four congruent triangles - that aren't equilateral?
John Golden, Created with GeoGebra |