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OpenStudy (anonymous):
The figure shows a triangular park ABC. The area DEFC is cordoned off by putting barricades on the sides DE and EF. What is the total length of the barricades DE and EF?
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OpenStudy (anonymous):
OpenStudy (paxpolaris):
use similarity.....
OpenStudy (anonymous):
I don't know where to start with it.
OpenStudy (anonymous):
DE = 30ft and FE = 60ft
OpenStudy (anonymous):
Oh I see now. I had to use the top triangle.
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OpenStudy (paxpolaris):
FE=72ft ... DE is more than 30 too.................
OpenStudy (anonymous):
what?
OpenStudy (paxpolaris):
DE/CB = AE/AB
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