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Mathematics 9 Online
OpenStudy (armyrangers):

In circle A shown below, Segment BD is a diameter and the measure of Arc CB is 54° What is the measure of ∠DBC? 54° 36° 27° 63°

OpenStudy (armyrangers):

OpenStudy (armyrangers):

@amistre64

OpenStudy (amistre64):

average that arcs .... what do we get?

OpenStudy (amistre64):

just keep in mind the the orentation of the arc to the angle defines the 'sign' of that angle |dw:1401379809169:dw| other than that, add up and divide by 2

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