Duality with Projective Geometry

Your learners will enjoy the diagrams of some special theorems and their duals in this one page printable. The Theorem of Pappus and its dual, the Theorem of Pascal and its dual (Theorem of Brianchon), and the Theorem of Desargues and its dual are described, diagramed, and labeled.

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Instructional Ideas

  • Have an advanced group of students make a 3-D model of one of the diagrams and keep it for future students to refer to

  • Diagram and description included

  • None