Khan/khan-exercises — Issue #10544: Herons formula - Wrong answer?
Author: KhanBugz
Created: 2012-01-06 16:46:43+00:00
State: open
Labels: firefox, snowleo, wrong-or-unclear

Reporter: R3hall@hotmail.com

If I am not mistaken, once you take the square root of the sums of s and s-a, etc; aren't you supposed to divide that by s? That's at least what Heron's formula tells me. I've notice that that was the step left out on these test reviews.

[herons_formula.html?seed=12&problem=simple](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/herons_formula.html?seed=12&problem=simple&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/herons_formula.html?seed=12&problem=simple&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%227.68%5C%22%22%2C122%5D%5D)

["7.68"]

Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13

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