Congruent


Same size and shape

This symbol is called a tilde

http://www.mathsisfun.com/geometry/congruent.html

http://en.wikipedia.org/wiki/Congruence_(geometry)


http://www.mathwords.com/c/congruent.htm

http://www.math.com/school/subject3/lessons/S3U3L1GL.html#

http://www.solving-math-problems.com/math-symbols-congruent.html

http://www.ehow.com/video_4754329_what-meaning-congruent.html

glossary

http://www.hbschool.com/glossary/math2/index2.html

http://www.amathsdictionaryforkids.com/dictionary.html