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OpenStudy (anonymous):
ΔABC is similar to ΔDEF. Calculate the length of DE.
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OpenStudy (anonymous):
OpenStudy (anonymous):
okay did you cross multiply?
OpenStudy (anonymous):
No, forgot about that step.
OpenStudy (anonymous):
Would it be 12/13•x/y-2 ? Or vice versa?
OpenStudy (anonymous):
no because 12/13 are on the same triangle. so if you set it up it would be 4 is to 5 as y-2 is 12 .... 4/5 times y-2/12
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OpenStudy (anonymous):
Oh right!
OpenStudy (anonymous):
|dw:1393449896316:dw|
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