eza9uu4h44 eza9uu4h44
  • 09-05-2021
  • Mathematics
contestada

please help find mDF!!

please help find mDF class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 09-05-2021

9514 1404 393

Answer:

  72°

Step-by-step explanation:

The external angle E is half the difference of subtended arcs CG and DF.

  E = (CG -DF)/2

  2E = CG -DF . . . . . . multiply by 2

  DF = CG -2E = 160° -2(44°) . . . . . add DF-2E to both sides; substitute values

  arc DF = 72°

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