Class 10

Friday, January 30

Today’s Discussion Topics

Go over discussion topic and homework from last time

Today’s New Topics

The Crossbar Theorem
The Linear Pair Theorem
Vertical angles

Tonight’s Homework

“Read” Section 3.5
Do Exercise 3.5 # 6
Discussion Topic for next class: Why does SAS fail in the taxicab geometry (Example 3.6.2)?