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Sum of the interior angles of a regular heptagon is :एक सप्तभुज के सभी अन्तःकोणों का योग होता है :

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Correct answer: D. 900°

Explanation

Sum of interior angles of an n-sided polygon = (n − 2) × 180°. For a heptagon (n = 7): 5 × 180° = 900°.n भुजाओं वाले बहुभुज के अन्तःकोणों का योग = (n − 2) × 180°। सप्तभुज (n = 7) के लिए: 5 × 180° = 900°।

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