The sum of the interior angle of a polygon is 1260 degrees. How many sides does the polygon have?
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HeatherSantangelo 7 months ago
Светило науки - 862 ответа - 0 помощи

Answer: 9 sides

Step-by-step explanation:

      If this is a perfect polygon then the answer is 9 sides. A perfect polygon is a polygon where all the sides and angles are congruent to each other.

180°(n-2) = 1,260°

n - 2 = 7

n = 9

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