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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 6

Find the Sum of Interior Angle of a Polygon With: 9 Sides - Mathematics

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प्रश्न

Find the sum of interior angle of a polygon with: 9 sides

योग

उत्तर

9 sides

No. of sides n = 9

∴ Sum of interior angles of polygon = (2n – 4) x 90°

= (2 x 9 – 4) x 90°

= 14 x 90°= 1260°

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अध्याय 28: Polygons - Exercise 28 (A)

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सेलिना Mathematics [English] Class 6
अध्याय 28 Polygons
Exercise 28 (A) | Q 2.1
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