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Home > CCG > Chapter 7 > Lesson 7.1.4 > Problem 7-43

7-43.

Felipe set his hinged mirror so that its angle was and the core region was isosceles, as shown below. Homework Help ✎

diagram

  1. How many sides did his resulting polygon have? Show how you know.

    How many times does go into ?

    Since , his regular polygon will have sides.

  2. What is another name for this polygon?

    See the Math Notes box in Lesson 7.1.4 on regular polygons.