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

asked Mar 6, 2021 108k views

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4 votes

Answer:

D. 128

Explanation:

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

b = 360° -150° -82° = 128°