Khan/khan-exercises — Issue #9738: Algebra challenge - Algebra Challenge
Author: KhanBugz
Created: 2011-12-29 00:39:45+00:00
State: open
Labels: ie8, not-showing, vista

Reporter: reedmckinley@yahoo.com

does not show any equations

[algebra_challenge.html?seed=98&problem=perpendicular (line_relationships)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=98&problem=perpendicular&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/algebra_challenge.html?seed=98&problem=perpendicular&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%227%5C%22%22%2C25%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22correct-activity%22%2C%22%5C%2220%5C%22%22%2C19%5D%5D)

["7","20"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; GTB7.2; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; BRI/1; BRI/2)

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