Khan/khan-exercises — Issue #4993: Angles of a polygon - answers dont match results 
Author: KhanBugz
Created: 2011-10-25 20:14:24+00:00
State: open
Labels: firefox, win7

Reporter: ck-021@live.com.mx

i watched different videos to see how this type of problem is resolved (including the one suggested by khanacademy) and they all say the same thing. ¨take all the sides, minus 2 then multiply by 180¨.

so, if you follow this process for a polygon with 6 sides the answer should be ¨720°¨ but the system claims this to be wrong, and says it´s better to sum up the exterior angles and get ¨360°¨, but it doesn't accept this to be the right answer with every 6 sided polygon only 50% of the time.

[angles_of_a_polygon.html?seed=64&problem=exterior](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/angles_of_a_polygon.html?seed=64&problem=exterior&debug)

[["720"],["720"]]

Mozilla/5.0 (Windows NT 6.1; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

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