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Mathematics 6 Online
OpenStudy (anonymous):

In triangle DEF, DF=18 and angle F=45. Find the length of a leg rounded to the nearest tenth.

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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