#### Answer

30$^{\circ}$

#### Work Step by Step

AB=$\frac{360}{12}$
AB=30$^{\circ}$

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Cengage

ISBN 10:
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ISBN 13:
978-1-33761-408-5

30$^{\circ}$

AB=$\frac{360}{12}$
AB=30$^{\circ}$

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