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?

Respuesta :

180 - 34 = 146 degrees
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°.
Ver imagen Christinecoconnor