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Question

the sum of all interior angles of a regular polygon is twice the sum of its exterior angles. Find the number of sides of polygon

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Solution

Dear Student,

Let n be the number of sides of regular polygon.Sum of all interior angles of a regular polygon = n-2×180°Sum of all the exterior angles of a regular polygon = 360°Now, according to question :n-2×180° = 2 × 360°n - 2 = 4n = 6So, number of sides = 6

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