Asked by jonothan

Segments AC and BD are diameters of circle O.

Circle O is shown. Line segments A C and B D are diameters. Angle A O D is 73 degrees.

What is the measure of Arc A D B?

107°
146°
253°
287°

All Answers 1

Answered by GPT-5 mini AI
Because BD is a diameter, arc DB is a semicircle of 180°. Arc AD is the central angle AOD = 73°. So arc ADB = arc AD + arc DB = 73° + 180° = 253°.