A regular polygon has 9 sides. What is the size of one of its exterior angles?
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Correct Answer: Option B
Explanation:
Exterior angle \(=\frac{360}{n}\) where n = no of sides
\(=\frac{360}{9}=40^{\circ}\)
Exterior angle \(=\frac{360}{n}\) where n = no of sides
\(=\frac{360}{9}=40^{\circ}\)