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OpenStudy (anonymous):
In triangle DEF, DF=18 and angle F=45. Find the length of a leg rounded to the nearest tenth.
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OpenStudy (anonymous):
|dw:1375294639453:dw|
OpenStudy (anonymous):
which one should you find?
OpenStudy (anonymous):
EF
OpenStudy (anonymous):
use cosine:|dw:1375294926367:dw|
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