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Mathematics 13 Online
OpenStudy (anonymous):

PLEASE HELP FOR MEDALS!!! Jamal used a hinged mirror to create a regular polygon. a.If his hinged mirror formed a 72 angle and the core region in front of the mirror was isosceles, how many sides did his polygon have? b.Now Jamal has decided to create a regular polygon with 9 sides, called a nonagon. If his core region is again isosceles, what angle is formed by his mirror?

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