SOLUTION: Triangle ABC is inscribed in a circle. Given that AB is a 40-degree arc and ABC is a 50-degree angle, find the sizes of the other arcs and angles in the figure.

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Question 1156836: Triangle ABC is inscribed in a circle. Given that AB is a 40-degree arc and ABC is a 50-degree angle, find the sizes of the other arcs and angles in the figure.
Answer by Boreal(15235) About Me  (Show Source):
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If arc AB is 40, deg, angle C is 20 degrees, half the arc.
ABC is 50, so arc AC is 100 deg
That makes angle BAC 110 degrees and arc BC 220 degrees.