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Find the missing arc: Arc BC =
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Find the missing arc:



Arc BC =

Find the missing arc: Arc BC =-example-1
User Nan
by
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1 Answer

6 votes

Let the measure of arc
BC be
\alpha.


(70+\alpha)/(2)=85 \\ \\ 70+\alpha=170 \\ \\ \alpha=\boxed{100^(\circ)}

User Michael Romrell
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