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How do you find the interior angle sum of a decagon?
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How do you find the interior angle sum of a decagon?

User Jon Wells
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1 Answer

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1. 1440∘

2. The sum of interior angles of a polygon having 'n' sides is (n-2) × 180∘

3. sum of interior angles of a decagon= (10-2) × 180∘

4. = 8 × 180∘

5. = 1440∘
User Doctiger
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