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Given: DEF is a triangle with right angle D. DF = x - 4 EF = x + 11 cos(F) = 4/9 Find x.
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Given:

DEF is a triangle with right angle D.
DF = x - 4
EF = x + 11
cos(F) = 4/9
Find x.

User Lavonda
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I hope this helps you
Given: DEF is a triangle with right angle D. DF = x - 4 EF = x + 11 cos(F) = 4/9 Find-example-1
User CreativeManix
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