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Mathematics 4 Online
OpenStudy (anonymous):

Triangle ABC is shown below.

OpenStudy (anonymous):

Which reason can be used to fill in the numbered blank space? Definition of Supplementary Angles Substitution Definition of Complementary Angles Angle Addition Postulate

OpenStudy (anonymous):

i believe it is the last one...but i want to know if that's right

OpenStudy (mertsj):

<EBD=180 <EBD=EBC+CBA+DBA EBC+CBA+DBA=180

OpenStudy (mertsj):

What does that look like to you?

OpenStudy (anonymous):

confusing xD

OpenStudy (anonymous):

one sec im writing it down for notes

OpenStudy (mertsj):

|dw:1392522535199:dw|

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