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Math 444/487 Geometry Week 5

Monday 10/25 -Friday 10/29
    444 Home Page

  1. Week 1: 9/29-10/01

  2. Week 2: 10/04-08

  3. Week 3: 10/11-15

  4. Week 4: 10/18-22

  5. Week 5: 10/25-29

  6. Week 6: 11/01-05

  7. Week 7: 11/08-12

  8. Week 8: 11/15-19

  9. Week 9: 11/22-26

  10. Week 10: 11/29-12/03

  11. Week 11: 12/06-10

  12. Week 12. 12/13

Assignments due this week

  • Monday: Assignment 5B
  • Wednesday: Construction Portfolio, Quiz in Class, Assignment 5C
  • Friday: No assignment beyond reading assignment
  • Monday next week: Assignment 6A due.

444 Monday 10/25

  • Similar Triangles sharing an angle, especially right triangles.
  • Construction of Geometric Mean.

Link to Class #12 Page

444 Wednesday 10/27

  • Quiz 1 will cover all material up through similar triangles, including theorems mostly discussed in lab, such as concurrence and locus theorems.
  • Quiz 1 Answers

Link to Class #13 Page

487 Wednesday 10/27 Lab 5

  • Inscribed Angle Theorem is proved in steps. First for angle with one side a diameter and then in general by addition.
  • Arcs and arc angle measure are introduced.
  • Application is given to cyclic quadrilaterals (quadrilaterals inscribed in a circle).
  • Application is given to triangle defined by intersecting chords.

444 Friday 10/29

  • . The various theorems about triangles formed in circles by chords, secants and tangents will be considered and related to one another.
  • Certain applications of circle theorems will be demonstrated.

Link to Class #14 Page