Khan/khan-exercises — Issue #15852: Herons formula - Herons formula question is incorrect
Author: KhanBugz
Created: 2012-03-09 21:47:27+00:00
State: open
Labels: firefox, wrong-or-unclear

It looks like it wants to accept the value of when you calculate s, but not the area of the triangle using herons formula, which is stated in the question. s != triangle area

[herons_formula.html?seed=18&problem=simple](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/herons_formula.html?seed=18&problem=simple&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/herons_formula.html?seed=18&problem=simple&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%224.84%5C%22%22%2C210%5D%2C%5B%22hint-activity%22%2C%220%22%2C366%5D%2C%5B%22hint-activity%22%2C%220%22%2C367%5D%2C%5B%22hint-activity%22%2C%220%22%2C368%5D%2C%5B%22hint-activity%22%2C%220%22%2C370%5D%2C%5B%22hint-activity%22%2C%220%22%2C371%5D%2C%5B%22hint-activity%22%2C%220%22%2C374%5D%2C%5B%22incorrect-activity%22%2C%22%5C%224.84%5C%22%22%2C439%5D%5D)

["4.84","4.84"]

Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:10.0.2) Gecko/20100101 Firefox/10.0.2

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