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Answer:
- arc AB = 102°
- arc ADB = 258°
Explanation:
The measure of an arc is the measure of the corresponding central angle.
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Short arc AB is shown as subtending a central angle of 102°, so the measure of arc AB is 102°.
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The sum of arc measures in a circle is 360°, so the measure of arc ADB is 258°, the value that adds with 102° to make 360°.