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In circle O, central angle BOC has a measure of 115°. Find the measure of arc BAC. In your final answer, include all of your work.

In circle O central angle BOC has a measure of 115 Find the measure of arc BAC In your final answer include all of your work class=

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Answer:

m<BOC = m<DOA= 115*

m<BOC + m<COD=180*

115* + m<COD + 180* ---> m<COD + 65*

m<COD +m<BOA + 65*

m<COD + m<DOA + m<AOB + m<BAC

m<BAC + 65* + 115* + 65* =245*

m<BAC = mBAC = 245*

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