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okyoa9llang9unt okyoa9llang9unt
  • 07-03-2017
  • Mathematics
Answered

Given:

DEF is a triangle with right angle D.

DF = x - 4

EF = x + 11

cos(F) = 4/9

Find x.

Verified Answer :

Anonymous Anonymous
  • 08-03-2017

I hope this helps you

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