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The interior angles of polygon measure 150 degree each. The number of diagonals of the polygon is_______ (A) 35 (B) 44 (C) 54 (D) 78 Please explain step by step.

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8 years ago

Sunil Raikwar
45 Points
```							each interior angle of a regular polygon=(n-2).180/n(n-2).180=150n6n-12=5nn=12no. of diagonal=n(n-3)/2=12x9/2=54Thanks & RegardsSunil RaikwaraskIITians Faculty
```
6 years ago
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• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions