afdada234
afdada234 afdada234
  • 18-05-2018
  • Mathematics
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sqdancefan
sqdancefan sqdancefan
  • 18-05-2018
∠DOC is the average of the given angle values,
  (170° +44°)/2 = 107°

∠DOB is the supplement to that,
  180° -107° = 73°

The appropriate choice is
  B)   73°
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