Math 445/487 Geometry Week 6

Monday 2/10 - Friday 2/14

    445 Home Page

  1. Week 01/06-10

  2. Week 01/13-17

  3. Week 01/20-24

  4. Week 01/27-31

  5. Week 02/03-07

  6. Week 02/10-14

  7. Week 02/17-21

  8. Week 02/24-28

  9. Week 03/03-07

  10. Week 03/10-14

  11. Week 03/17-21

Monday 2/10 445

  • Angle between circles - what is it and how do we measure it? Orthogonal circles.
  • Secants, chords and power of a point
  • Radical axis of two circles with a common chord
  • Relation of line reflection to orthogonality
Handouts
Reading for Monday's Content
  • Ogilvy -Excursions Chapter 1 (all)
  • Sved - Journey - Intro and Chapter 1 (part, pp. 3-19)

Wednesday 2/12 445

PROJECT assignment announced. Details here.

Handouts
  • .Handout: Review of power, radical axis is a line, definition of inversion.
Assignment

Wednesday 2/12 487 Lab

  • Lab 6. Inversion and Orthogonal Circles
  • Reading: GTC Chapter 9

Friday 2/14 445

Handout: Outline of Inversive Geometry (revised for the web)