Day 6

Math 445, Wednesday 1/14
Sponsor Today's class is brought to you by the Power of a Point.
Topics

Power of a point, orthogonal circles, inversion, radical axis

Class Schedule
  • Secants and chord product theorems (review)
  • Power of a point
  • Power = tangent length squared
  • Power = radius squared of orthogonal circle
  • Secants through center of circle e intersect orthogonal circle c in inversion pairs
  • Application to constructions of orthogonal circles
  • Radical axis of two circles or a point and a circle.

Link to Class Worksheet | Link to lecture demo GSP sketch
Assignments
New

Reading Assignment

  • Review Berele-Goldman 5.5
  • Read GTC Chapter 9

Assignment 2B (due Friday, 1/21)
Due Today

Assignment 2A
Ongoing  

<Previous 445 Class | Math 445 Home | Next 445 Class >

Link to Week 2