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User JosepB
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1 Answer

7 votes

1) By the inscribed angle theorem,
m\angle B=\frac{1}[2}(60^\circ})=\boxed{30^(\circ)}

2) By the inscribed angle theorem, arc RT measures twice 63 degrees, or 126 degrees.

I hope someone can help me here please don't answer nonsense!​-example-1
User Rami Awar
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