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The diagram shows a convex polygon. What is the value of b? A. 360 B.148 C. 52 D. 128

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  • sqdancefan

    Answer:

      D. 128

    Step-by-step explanation:

    The sum of external angles of a convex polygon is 360°, so b is ...

      b = 360° -150° -82° = 128°