This preview shows page 1. Sign up to view the full content.
Unformatted text preview: (4) any right triangle has defect=0 (5) there is a rectangle of any size (6) there is a rectangle (7) there is a right triangle with defect=0 (8) there is a triangle with defect=0 If any (thus all) of the above is true then we are doing Euclidean Geometry, if any (thus all) is false then we are doing Hyperbolic Geometry....
View
Full
Document
This note was uploaded on 08/08/2009 for the course MATH 1 taught by Professor Malkin during the Spring '09 term at University of Illinois at Urbana–Champaign.
 Spring '09
 malkin
 Angles

Click to edit the document details