Khan/khan-exercises — Issue #8694: Congruency postulates - This is not a very good practice
Author: KhanBugz
Created: 2011-12-15 02:11:57+00:00
State: open
Labels: chrome, hard, win7

I feel that the exercise is inefficiency and buggy thus i cannot learn nor get the correct answer.

[congruency_postulates.html?seed=42&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=42&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=42&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B-3.408618613445345%2C6.0401364706488945%5D%2C%5B-4.976857724023093%2C3.667868657694452%5D%2C%5B1.4513827184286585%2C4.386331201189623%5D%2C%5B0.5590554761596372%2C3.8421377293879058%5D%5D%22%2C74%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-3.408618613445345%2C6.0401364706488945%5D%2C%5B-4.976857724023093%2C3.667868657694452%5D%2C%5B1.4513827184286585%2C4.386331201189623%5D%2C%5B0.5590554761596372%2C3.8421377293879058%5D%5D%22%2C3%5D%5D)

[["No",[-3.408618613445345,6.0401364706488945],[-4.976857724023093,3.667868657694452],[1.4513827184286585,4.386331201189623],[0.5590554761596372,3.8421377293879058]],["Yes",[-3.408618613445345,6.0401364706488945],[-4.976857724023093,3.667868657694452],[1.4513827184286585,4.386331201189623],[0.5590554761596372,3.8421377293879058]]]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

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