Khan/khan-exercises — Issue #6141: Complementary and supplementary angles - In or Out?
Author: KhanBugz
Created: 2011-11-11 23:22:16+00:00
State: open
Labels: ie8, vista

Reporter: tunasaladx@gmail.com

It can be difficult to do complementary and supplamentary angles since it is unknown whether the known angle is inside or outside of the 90* or 180* angle, since there is no diagram or specification. Saying that angle BAC is ___ and angle CAD is ____ does not tell you if angle CAD is in or out of andle BAC.

[complementary_and_supplementary_angles.html?seed=187&problem=find-hypotenuse (supplementary_angles)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/complementary_and_supplementary_angles.html?seed=187&problem=find-hypotenuse&debug)

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