Khan/khan-exercises — Issue #9430: Congruency postulates - Incorrect answer
Author: KhanBugz
Created: 2011-12-24 02:21:59+00:00
State: open
Labels: chrome, lion, wrong-or-unclear

Reporter: srijal123@hotmail.com

Showing both the answers as incorrect..I believe that the triangles in this case are congurent

[congruency_postulates.html?seed=196&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=196&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/congruency_postulates.html?seed=196&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-1.865008355781808%2C5.988107281051959%5D%2C%5B-5.00021475593311%2C5.589566167425142%5D%2C%5B2.9621805185992045%2C2.2497529780044982%5D%2C%5B-1.865008355781808%2C5.988107281051959%5D%5D%22%2C353%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-2.3840714682948514%2C3.9100866941485055%5D%2C%5B-5.521412102757738%2C3.5287103260439636%5D%2C%5B2.4225853459404942%2C0.14536949438087987%5D%2C%5B-2.3840714682948514%2C3.9100866941485055%5D%5D%22%2C48%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B-2.3840714682948514%2C3.9100866941485055%5D%2C%5B-5.521412102757738%2C3.5287103260439636%5D%2C%5B2.4225853459404942%2C0.14536949438087987%5D%2C%5B-2.3840714682948514%2C3.9100866941485055%5D%5D%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-2.3840714682948514%2C3.9100866941485055%5D%2C%5B-5.521412102757738%2C3.5287103260439636%5D%2C%5B2.4225853459404942%2C0.14536949438087987%5D%2C%5B-2.3840714682948514%2C3.9100866941485055%5D%5D%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-1.834071468294853%2C5.985086694148505%5D%2C%5B-4.971412102757737%2C5.603710326043963%5D%2C%5B2.9725853459404945%2C2.2203694943808796%5D%2C%5B-1.834071468294853%2C5.985086694148505%5D%5D%22%2C41%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-1.834071468294853%2C5.985086694148505%5D%2C%5B-4.971412102757737%2C5.603710326043963%5D%2C%5B2.9725853459404945%2C2.2203694943808796%5D%2C%5B-1.834071468294853%2C5.985086694148505%5D%5D%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-1.860173732572643%2C5.994047457482078%5D%2C%5B-4.996412102757737%2C5.603710326043964%5D%2C%5B2.9572179910085055%2C2.2430766090705365%5D%2C%5B-1.860173732572643%2C5.994047457482078%5D%5D%22%2C41%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-0.1790203791765883%2C5.994047457482078%5D%2C%5B2.9572179910085055%2C5.603710326043964%5D%2C%5B-4.996412102757737%2C2.2430766090705365%5D%2C%5B-0.1790203791765883%2C5.994047457482078%5D%5D%22%2C84%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-1.8428518027409875%2C6.00865893136419%5D%2C%5B-4.981025335487138%2C5.634197893107693%5D%2C%5B2.9554962554600843%2C2.233357455134868%5D%2C%5B-1.8428518027409875%2C6.00865893136419%5D%5D%22%2C45%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%22No%5C%22%2C%5B-3.206422956628811%2C2.5664456379047484%5D%2C%5B-6.181025335487138%2C3.634197893107693%5D%2C%5B-0.6016172465060627%2C-2.955513483328696%5D%2C%5B-3.206422956628811%2C2.5664456379047484%5D%5D%22%2C52%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22Yes%5C%22%2C%5B-3.206422956628811%2C2.5664456379047484%5D%2C%5B-6.181025335487138%2C3.634197893107693%5D%2C%5B-0.6016172465060627%2C-2.955513483328696%5D%2C%5B-3.206422956628811%2C2.5664456379047484%5D%5D%22%2C13%5D%5D)

[["Yes",[-1.865008355781808,5.988107281051959],[-5.00021475593311,5.589566167425142],[2.9621805185992045,2.2497529780044982],[-1.865008355781808,5.988107281051959]],["Yes",[-2.3840714682948514,3.9100866941485055],[-5.521412102757738,3.5287103260439636],[2.4225853459404942,0.14536949438087987],[-2.3840714682948514,3.9100866941485055]],["No",[-2.3840714682948514,3.9100866941485055],[-5.521412102757738,3.5287103260439636],[2.4225853459404942,0.14536949438087987],[-2.3840714682948514,3.9100866941485055]],["Yes",[-2.3840714682948514,3.9100866941485055],[-5.521412102757738,3.5287103260439636],[2.4225853459404942,0.14536949438087987],[-2.3840714682948514,3.9100866941485055]],["Yes",[-1.834071468294853,5.985086694148505],[-4.971412102757737,5.603710326043963],[2.9725853459404945,2.2203694943808796],[-1.834071468294853,5.985086694148505]],["Yes",[-1.834071468294853,5.985086694148505],[-4.971412102757737,5.603710326043963],[2.9725853459404945,2.2203694943808796],[-1.834071468294853,5.985086694148505]],["Yes",[-1.860173732572643,5.994047457482078],[-4.996412102757737,5.603710326043964],[2.9572179910085055,2.2430766090705365],[-1.860173732572643,5.994047457482078]],["Yes",[-0.1790203791765883,5.994047457482078],[2.9572179910085055,5.603710326043964],[-4.996412102757737,2.2430766090705365],[-0.1790203791765883,5.994047457482078]],["Yes",[-1.8428518027409875,6.00865893136419],[-4.981025335487138,5.634197893107693],[2.9554962554600843,2.233357455134868],[-1.8428518027409875,6.00865893136419]],["No",[-3.206422956628811,2.5664456379047484],[-6.181025335487138,3.634197893107693],[-0.6016172465060627,-2.955513483328696],[-3.206422956628811,2.5664456379047484]],["Yes",[-3.206422956628811,2.5664456379047484],[-6.181025335487138,3.634197893107693],[-0.6016172465060627,-2.955513483328696],[-3.206422956628811,2.5664456379047484]]]

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