darreng420 darreng420

20-03-2017
Mathematics

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

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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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