CONCEPT 2 - CONSTRUCTIONS
Copy an Angle
Bisect an Angle
Bisect a Segment
CONCEPT 1 - Distance Formula - Video & Problem Review
http://my.hrw.com/math06_07/nsmedia/homework_help/geo/geo_ch01_06_homeworkhelp.html
1.3 Distance Formula - ZukowskiMath
http://zukowskimath.blogspot.com/2012/08/test.html