Khan/khan-exercises — Issue #9729: Congruency postulates - congruency postulate (is side-side-anglea triandle congruency postulate?)
Author: KhanBugz
Created: 2011-12-28 23:03:24+00:00
State: open
Labels: ie8, not-showing, xp

Reporter: suritaneilsahota@rocketmail.com

I contrucked a side-side-angle triangle congruent to the scale and I said yes but when I enter my awnser it keeps saying its wrong and I tried everything I could think of.

[congruency_postulates.html?seed=94&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=94&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=94&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B2.378399694699772%2C1.465048640076743%5D%2C%5B3.7262572415740593%2C4%5D%2C%5B4%2C-3.8389669646491873%5D%2C%5B2.378399694699772%2C1.465048640076743%5D%5D%22%2C23%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-2.6903559217901986%2C5.995305327699537%5D%2C%5B-5.015539914193318%2C4.311197918620462%5D%2C%5B2.7864379838089963%2C5.119578429107556%5D%2C%5B-2.6903559217901986%2C5.995305327699537%5D%5D%22%2C59%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B1.2732060944008072%2C3.970305327699534%5D%2C%5B-1.0519778980023142%2C2.2861979186204624%5D%2C%5B6.75%2C3.0945784291075564%5D%2C%5B1.2732060944008072%2C3.970305327699534%5D%5D%22%2C51%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B1.2732060944008072%2C3.970305327699534%5D%2C%5B-1.0519778980023142%2C2.2861979186204624%5D%2C%5B6.75%2C3.0945784291075564%5D%2C%5B1.2732060944008072%2C3.970305327699534%5D%5D%22%2C58%5D%5D)

[["Yes",[2.378399694699772,1.465048640076743],[3.7262572415740593,4],[4,-3.8389669646491873],[2.378399694699772,1.465048640076743]],["Yes",[-2.6903559217901986,5.995305327699537],[-5.015539914193318,4.311197918620462],[2.7864379838089963,5.119578429107556],[-2.6903559217901986,5.995305327699537]],["No",[1.2732060944008072,3.970305327699534],[-1.0519778980023142,2.2861979186204624],[6.75,3.0945784291075564],[1.2732060944008072,3.970305327699534]],["Yes",[1.2732060944008072,3.970305327699534],[-1.0519778980023142,2.2861979186204624],[6.75,3.0945784291075564],[1.2732060944008072,3.970305327699534]]]

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