
Contact me: email: laurel.langford@uwrf.edu My schedule My office location: 206E NH My office phone number: 7154254360 
Grading policies, etc General syllabus 
Useful Links: 
Tuesday  Thursday 
Sept 7: Exploration assn, due Tuesday Sept 12 HS review assn. due Sept 21 (do marked problems) Check out this spherical circle 

Sept 12 Properties of spheres More sphere problems and properties (especially measurment properties) of transformations. Assignment 
Discussion of transformations and of the proof on assignment 2. New topic: function properties and functions on the plane (and similar geometric objects) Assignment: Do FT2, FT4 and FT5 from the function properties sheet. Here is a version of FT4 and FT5 that I wrote up for a discrete math course a while back. 
Sept 19 Solve FT6, with this revised version of the definitions. In /class notes Work on these questions about rotations 
Do some more rotations and reflections 
Sept 26 Study for quiz. Make sure you understand the answers to this worksheet. Here's some ways of proving the spherical triangle theorem from the homework (study that too)  Quiz Homework: Read pgs 3445. Do problems 2 and 3 on page 45. Do problems 2, 3, 4, 6 in 3.1 and problems 2, 3 on 3.2 from this sheet 
Oct 3 Bring textbook and laptop to class A link: http://cs.unm.edu/~joel/NonEuclid/NonEuclid.html 
Finish 3.1 and 3.2 sheet with the addition of 3.2 # 8 check out these axioms and theorems and do these proofs 
Oct 10 New and improved axioms and theorems. Notes on the proof of theorem 9. Do first page of these HS problems (Ch 2) For the quiz Thursday: study how to show a rotation and reflection (compass, straight edge, etc), and the proofs we did from the function page (now theorems 68) 
Quiz Continue working on the HS Ch 2 problemsdo through 2.3 for Tuesday. Class notes for SASfinish the proof. 
Oct 17 Prove ASA (theorem 11) and do the HS Ch 2.4 problems. Here is a video outlining the proof of ASA  
Oct 24  Quiz 
Oct 31  
Nov 7  
Nov 14  
Nov 21  Happy Thanksgiving 
Nov 28  
Dec 5  
Dec 12  
Final Exam Thursday Dec 21 10:1512:15 