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Answer :

Mhanifago

Answer:

  • 8.67 m

Step-by-step explanation:

DF is the hypotenuse.

Find DF:

  • DF = [tex]\sqrt{DE^2+EF^2}[/tex]
  • DF = [tex]\sqrt{6.7^2+5.5^2} = 8.67[/tex] m (rounded)

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