Khan/khan-exercises — Issue #14336: Similar triangles 2 - Similar Triangles 
Author: KhanBugz
Created: 2012-02-21 20:05:08+00:00
State: open
Labels: chrome, wrong-or-unclear, xp

Reporter: jasperkkeen@gmail.com

Triangle ABC is similar to DEF because...
ABC:
AB=11
BC=3
AC=10
DEF:
DE=16.5
DF=4.5
FE=15

AB/DC = 11/16.5
BC/DF = 3/4.5
AC/FE = 10/15
Triangle DEF is obviously half again as big as ABC.
Thank you.

[similar_triangles_2.html?seed=69&problem=similar](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/similar_triangles_2.html?seed=69&problem=similar&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/similar_triangles_2.html?seed=69&problem=similar&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3EDEF%3C%2Fcode%3E%5C%22%22%2C22%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C29%5D%2C%5B%22hint-activity%22%2C%220%22%2C29%5D%2C%5B%22hint-activity%22%2C%220%22%2C29%5D%2C%5B%22hint-activity%22%2C%220%22%2C29%5D%2C%5B%22hint-activity%22%2C%220%22%2C29%5D%2C%5B%22hint-activity%22%2C%220%22%2C29%5D%5D)

["DEF"]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

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