We have two triangles, T and T*. One of these two shows up in each of the six lunes. The means that I have six distinct triangles plus T and T* making up the sphere.

We have two triangles, T and T*. One of these two shows up in each of the six lunes. The means that I have six distinct triangles plus T and T* making up the sphere.

Previous slide

Next slide

Back to first slide

View graphic version