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19 March, 08:19

A regular polygon has 9 sides. What is the measure of each interior angle of the polygon?

40°

1260°

144°

140°

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Answers (1)
  1. 19 March, 09:54
    0
    140°

    Sum of interior angle = (n-2) * 180° where n is the number of sides = 1260°

    Each interior angle = 1260/9 = 140°
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