darreng420 darreng420
  • 20-03-2017
  • Mathematics
contestada

ac is a diameter of D. If m BDC = 140°, what is the measure of ab

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kkruk10
kkruk10 kkruk10
  • 27-03-2017
To find ab you need subtract 140 degrees from 180 degrees
That should equal 40 degrees
SO the answer is ab=40 degrees
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