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Mathematics 9 Online
OpenStudy (anonymous):

help?

OpenStudy (anonymous):

OpenStudy (anonymous):

I know the answer is AD > CD but I need explaining

OpenStudy (anonymous):

@agent0smith

OpenStudy (anonymous):

@sourwing @campbell_st

OpenStudy (bibby):

I'm not sure how to formally state this but I can explain it using geometry. You see how AC is a straight line and DBC <90? That means that DBA > 90. In triangles sides opposite the smallest angle are the shortest sides.

OpenStudy (anonymous):

thankyou so much :)

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