Khan/khan-exercises — Issue #7742: Vertical angles 2 - Correct Answer is scored wrong
Author: KhanBugz
Created: 2011-12-04 18:36:34+00:00
State: open
Labels: lion, safari, wrong-or-unclear

Reporter: ICDeadMoney@gmail.com

All the hints are correct, but the correct answer is considered wrong.

2x+48 = 6x+20
-2x-20 = -2x-20
---------------
28 = 4x
7 = x

2(7)+48 = 6(7)+20 = 62

62 is scored as wrong

[vertical_angles_2.html?seed=89&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/vertical_angles_2.html?seed=89&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/vertical_angles_2.html?seed=89&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2262%5C%22%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22118%5C%22%22%2C25%5D%5D)

["62","118"]

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