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Segment DC is a diameter of circle A in the figure below. If angle DAB measures 34 degrees, what is the measure of arc BC?
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Segment DC is a diameter of circle A in the figure below. If angle DAB measures 34 degrees, what is the measure of arc BC?

User Virtualnobi
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2 Answers

3 votes
Since a circle is 360°, half of it is 180°. Angle DAB is 34°, meaning arc DB is also 34°. Arc BC is therefore 146° because 180°-34°=146°.
Segment DC is a diameter of circle A in the figure below. If angle DAB measures 34 degrees-example-1
User Akoi Meexx
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6.0k points
3 votes
180 - 34 = 146 degrees
User Skatephone
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5.8k points
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