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OpenStudy (anonymous):
Help me figure this out? WILL MEDAL! Triangle ABC is similar to triangle DEF. What is the length of EF? A) 12.5 B) 7.5 C) 5.5 D) 4.5 http://www.thelearningodyssey.com/Assess/DPT/QIEImagesStorage/AQ13G/AQ13GE_GE534_04_stem1_1.jpg
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OpenStudy (godlovesme):
use this proportion \[5/3 = 7.5/x\]
OpenStudy (alexandervonhumboldt2):
ef/3=7.5/5
OpenStudy (godlovesme):
can u solve for x @ardentpikachu
OpenStudy (alexandervonhumboldt2):
ef=4.5
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