Math 445A Winter 2002

Week 5

Monday 2/4- Friday 2/8

    Course Home Page

  1. Week 1 - Jan 7-11

  2. Week 2 - Jan 14-18

  3. Week 3 - Jan 21-25

  4. Week 4 - Jan 28 - Feb 1

  5. Week 5 - Feb 4 - 8

  6. Week 6 - Feb 11 - 15

  7. Week 7 - Feb 18 - 22

  8. Week 8 - Feb 25 - Mar 1

  9. Week 9 - Mar 4 - 8

  10. Week 10 - Mar 11 - 15

  11. Exam Week Mar 18 - 22

    12.

Monday 2/4

  • Tell whether your project team is solo or duo

Class

  • Build a regular dodecahedron from "tents" on the side of a cube. Hence 5 cubes in the dodecahedron.
  • Dual of dodecahedron is icosahedron
  • Defining the concept of "regular polyhedron". The only 5 are teh Platonic solids.
  • Euler number the same for polyhedra that are "spheres" such as convex polyhedra. This included triangular bipyramid and pentagonal antiprism as examples.
  • Construct a non-regular tetrahedron from midpoint triangles of any triangle.
  • The 4 midpoints of any tetrahedron form a parallelogram. This is just the mipoint quad in disguise.

Wednesday 2/6

Conic Sections - Introduction

  • Plane section of a right circular cylinder is an ellipse is proved from Dandelin spheres.
  • Reading: Ogilvy, pp. 56-59, Chapter 6
  • Reading: GTC, Chapter 6

Lab 5 - Conic sections. Bring your Green GTC book.

Friday 2/8 Midterm Test

Review Sheets (some redundancy here)

Also, look at other handouts linked from this site

Next Assignment Due Wed 2/13