Space Visualization Test on Pyramid Edges

When a pyramid is unfolded into a net, determining the way that the edges are connected requires some spatial thinking. The number in a triangle labels its thick edge. This Demonstration tests your space visualization by asking for the label of the thick edge marked by "?".

SNAPSHOTS

  • [Snapshot]
  • [Snapshot]
  • [Snapshot]

DETAILS

Each edge is is associated with two faces. The edges are numbered and displayed by triangulating the faces and putting the edge numberings into the adjoining triangles.
    • Share:

Embed Interactive Demonstration New!

Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site. More details »

Files require Wolfram CDF Player or Mathematica.