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Mathematics 18 Online
OpenStudy (anonymous):

Help plz :) Is the given information enough to conclude that ? and are complementary.

OpenStudy (anonymous):

OpenStudy (rulnick):

Answer to question on page is "yes."

OpenStudy (rulnick):

... if ABC is indeed a line.

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Thank you for the short answer :) I have like 1 more question and i am done for tonight xD then i will pay back OS and help people out! :D

OpenStudy (rulnick):

DBF is a 90 degree angle, so DB is perp to BF.

OpenStudy (anonymous):

Again thank you vary much

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