![Parallel and Perpendicular Lines](http://s1.studyres.com/store/data/003714023_1-8e92411dd466c730a42ba357d9a96f50-300x300.png)
MAT360 Lecture 1 Euclid`s geometry
... For every segment AB and for every segment CD there exists a unique point E such that B is between A and E and the segment CD is congruent to the segment BE. For every point O and every point A not equal to O there exists a circle with center O and radius OA All right angles are congruent to each ot ...
... For every segment AB and for every segment CD there exists a unique point E such that B is between A and E and the segment CD is congruent to the segment BE. For every point O and every point A not equal to O there exists a circle with center O and radius OA All right angles are congruent to each ot ...