Dominicsaenz Dominicsaenz
  • 17-04-2018
  • Mathematics
contestada

answer the question please

answer the question please class=

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hudadagra hudadagra
  • 17-04-2018
Use the ratio of cosine.

cos x = adj/hyp

cos 60 = x/14
14 (cos 60) = x
7 = x

length of DF is 7.

Hope this helps :)
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