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OpenStudy (anonymous):
In △DEF, what is the length of DF? A 54 B 18 sqrt of 5 C 27 sqrt of 2 D 9 sqrt of 3 /Users/Guest/Desktop/Screen shot 2012-11-14 at 11.48.43 AM.png
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OpenStudy (anonymous):
I can't see the pic..
OpenStudy (anonymous):
is it a right triangle?
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