Assignment 0 - Tools to Bring to Class Every Day

Starting Wednesday, bring a decent compass (one that will lock its distance and not slip), a ruler, a protractor and a pair of scissors to class every day.

Assignment 1 (due Friday, 9/28)

Read

• the page about axioms
• the page with the Birkhoff Ruler and Protractor Axioms.

1. Hand in written proof at beginning of class. Write a proof of this theorem: Given two points A and B, a point C is on the perpendicular bisector of AB if and only if AC is congruent to BC.