Mathalicious: Face Value

How symmetrical are faces?

Some famous models and actors are known for having very symmetric faces. Others have pronounced imperfections that make them beautiful. But just how symmetric is symmetric? Can we use mathematics to compare the symmetry of faces? And how sensitive is our intuition for facial symmetry?

In this lesson, students deepen their understanding of line reflections and line symmetry by drawing on and inspecting a number of famous faces, and develop their own metric for facial symmetry.

 

 

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Geometry
High School

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