Slides and Handouts for

Beautiful Geometric Diagrams and Connecting the Mathematics Beneath

Presentation at ICTM meeting – Oct. 19, 2018 at Tinley Park, IL. Presentation by Jim Olsen and Audrey Fletcher, Western Illinois University.

HandoutsAll 3 means in a trapezoid

  1. Look For and Make Use of Structure in Geometry Often Means
  2. Triangles in a Trapezoid - 3
  3. Proof of Triangles in a Trapezoid - 3
  4. Overview of the Three Pythagorean Means
  5. The Three Pythagorean Means in a Circle
  6. Harmonic Mean Between Telephone Poles
  7. Proof of Harmonic Mean Between Telephone Poles
  8. Additional Geometry Problems Using the Structure-Symmetry-Similarity Strategy

Website

Structure and Symmetry: Mathematical Reasoning: Connecting Geometry, Numbers, and Algebra (http://geometry.drjimo.net)

Slides

Slides for Beautiful Geometric Diagrams and Connecting the Mathematics Beneath

 

Web site created by Jim Olsen.