• Volumes of Platonic Solids (Teaser)

    by  • July 30, 2013 • Math • 0 Comments

    Preparing for teaching volume and surface area of spheres led me to this thought. Can we demonstrate that the volumes of Platonic solids approach that of a sphere?

    Hmn, I made more nets and spent another weekend cutting, folding, and gluing.

    3-D extension of dividing a polygon into triangles.

    3-D extension of dividing a polygon into triangles.

     

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    After teaching for 14 years, I now design curriculum and create digital and print instructional materials for high school and middle school math. I have also invented and am now marketing radian-scale protractors. Check out www.proradian.net! I'm very happily married and have 2 grown sons and a cat named Louie.

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