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2. Find the sum of interior angles of a polygon of given number of sides by using formula (n - 2) × 180°.() 12 sides(ii) 9 sides(iii) 22 sides |
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Answer» this is your Answer HOPE it helps you Step-by-step explanation:The sum of interior ANGLES of a regular polygon is TWICE the sum of its exterior angles. Sum of all interior angles of a regular polygon = 180 o (n−2) where n= number of SIDES of polygonSum of all exterior angle of a regular polygon = 360 o According to question,180 o (n−2)=2×360 o =>(n−2)=4=>n=6Number of sides of the polygon =6 |
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