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Mathematics 4 Online
OpenStudy (anonymous):

help me plz

OpenStudy (anonymous):

OpenStudy (mathstudent55):

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OpenStudy (nikato):

if u were given the measure of angle c, u can find exterior anlge ACD by 180-<C

OpenStudy (anonymous):

supplementary angles measure to 180 and angle D is supplementary to angle C so the measurement of angle C minus 180 and you get angle D

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