OpenStudy (anonymous):

In the figure below, <1 and <2 are adjacent angles:

3 years ago
OpenStudy (anonymous):

3 years ago
OpenStudy (anonymous):

Write an indirect proof proving that the sum of <1 and <2 is 180°

3 years ago
OpenStudy (anonymous):

:O

3 years ago
OpenStudy (anonymous):

|dw:1400165768248:dw|

3 years ago
OpenStudy (anonymous):

construct a parallel to AB through D |dw:1400165965096:dw|

3 years ago
OpenStudy (anonymous):

gtg nw :-\ sry for not continue

3 years ago
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