A. Parallel Lines

  1. 0. Introduction
  2. 1. Where parallel lines meet
  3. 2. Triangles on a sphere
  4. 3. Extensions
  5. 4. Classroom documentary

B. Fencing Your Dog

  1. 0. Introduction
  2. 1. Constant area
  3. 2. Constant perimeter
  4. 3. Extensions
  5. 4. Classroom documentary

C. Fermi Questions

  1. 0. Introduction
  2. 1. Measurement benchmarks
  3. 2. Posing Fermi questions
  4. 3. Extensions