একটি নিয়মিত বহুভুজের প্রতিটি বাহ্যিক কোণ 9°পরিমাপ করা হয়। বহুভুজের কতগুলি বাহু আছে?    

This question was previously asked in
NTPC CBT 2 2016 Previous Paper 1 (Held On: 17 Jan 2017 Shift 1)
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  1. 30
  2. 40
  3. 45
  4. 36

Answer (Detailed Solution Below)

Option 2 : 40
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নিয়মিত বহুভুজের জন্য বাহুর সংখ্যা হ'ল 360° / বহির্মুখী কোণের সমান।  

⇒ 360°/9° = 40

বাহুর সংখ্যা হ'ল = 40 

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