Khan/khan-exercises — Issue #8050: Congruency postulates - Is Side-Side-Angle a triangle congruency postulate
Author: KhanBugz
Created: 2011-12-07 20:11:57+00:00
State: open
Labels: hard, ie8, vista

Reporter: perryhouse6@yahoo.com

Will not answer correctly, always says it is not congruent, even when it is...have watched video but won't let me move on!

[congruency_postulates.html?seed=191&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=191&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=191&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-0.17163915130245666%2C1.8366449349850186%5D%2C%5B2.2668295070277677%2C0.9220492436892655%5D%2C%5B5.436545483149979%2C4.6255091261938315%5D%2C%5B-0.17163915130245666%2C1.8366449349850186%5D%5D%22%2C49%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B-0.17163915130245666%2C1.8366449349850186%5D%2C%5B2.2668295070277677%2C0.9220492436892655%5D%2C%5B5.436545483149979%2C4.6255091261938315%5D%2C%5B-0.17163915130245666%2C1.8366449349850186%5D%5D%22%2C3%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B-0.45769131394776785%2C3.0978937396161172%5D%2C%5B1.4733453658288358%2C1.3504063955838585%5D%2C%5B5.783167552559613%2C3.6281568624630185%5D%2C%5B-0.45769131394776785%2C3.0978937396161172%5D%5D%22%2C52%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-0.45769131394776785%2C3.0978937396161172%5D%2C%5B1.4733453658288358%2C1.3504063955838585%5D%2C%5B5.783167552559613%2C3.6281568624630185%5D%2C%5B-0.45769131394776785%2C3.0978937396161172%5D%5D%22%2C3%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B-0.9224113784602896%2C2.371662631006065%5D%2C%5B1.4733453658288358%2C1.3504063955838585%5D%2C%5B4.803320780528379%2C4.910459514302973%5D%2C%5B-0.9224113784602896%2C2.371662631006065%5D%5D%22%2C40%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-0.9224113784602896%2C2.371662631006065%5D%2C%5B1.4733453658288358%2C1.3504063955838585%5D%2C%5B4.803320780528379%2C4.910459514302973%5D%2C%5B-0.9224113784602896%2C2.371662631006065%5D%5D%22%2C3%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B-1.0997973163919572%2C1.7523409837062908%5D%2C%5B1.4733453658288358%2C1.3504063955838585%5D%2C%5B4.803320780528379%2C4.910459514302973%5D%2C%5B-1.1807500028348023%2C2.2571149581171843%5D%5D%22%2C73%5D%5D)

[["Yes",[-0.17163915130245666,1.8366449349850186],[2.2668295070277677,0.9220492436892655],[5.436545483149979,4.6255091261938315],[-0.17163915130245666,1.8366449349850186]],["No",[-0.17163915130245666,1.8366449349850186],[2.2668295070277677,0.9220492436892655],[5.436545483149979,4.6255091261938315],[-0.17163915130245666,1.8366449349850186]],["No",[-0.45769131394776785,3.0978937396161172],[1.4733453658288358,1.3504063955838585],[5.783167552559613,3.6281568624630185],[-0.45769131394776785,3.0978937396161172]],["Yes",[-0.45769131394776785,3.0978937396161172],[1.4733453658288358,1.3504063955838585],[5.783167552559613,3.6281568624630185],[-0.45769131394776785,3.0978937396161172]],["No",[-0.9224113784602896,2.371662631006065],[1.4733453658288358,1.3504063955838585],[4.803320780528379,4.910459514302973],[-0.9224113784602896,2.371662631006065]],["Yes",[-0.9224113784602896,2.371662631006065],[1.4733453658288358,1.3504063955838585],[4.803320780528379,4.910459514302973],[-0.9224113784602896,2.371662631006065]],["No",[-1.0997973163919572,1.7523409837062908],[1.4733453658288358,1.3504063955838585],[4.803320780528379,4.910459514302973],[-1.1807500028348023,2.2571149581171843]]]

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