okyoa9llang9unt okyoa9llang9unt
  • 07-03-2017
  • Mathematics
contestada

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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Аноним Аноним
  • 08-03-2017
I hope this helps you
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