Khan/khan-exercises — Issue #10201: Herons formula - decimals? 
Author: KhanBugz
Created: 2012-01-04 01:24:14+00:00
State: open
Labels: chrome, hard, win7

Reporter: leospostbox@gmail.com

Good day,

About this:
http://www.khanacademy.org/exercise/herons_formula

Imho using decimals makes it un-neccessarily tedious.
E.g sides are 3.1, 5 and 3. imho you should only use integers like 3 5 3.

it takes a very long time to work out all the decimal multiplications, losing actual focus of the heron's formular practice..

[herons_formula.html?seed=165&problem=simple](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/herons_formula.html?seed=165&problem=simple&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/herons_formula.html?seed=165&problem=simple&debug&activity=%5B%5D)

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