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18-05-2018
Mathematics

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A regular polygon has 9 sides. What is the measure of each interior angle of the polygon?
40°
1260°
144°
140°

Respuesta :

18-05-2018

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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