Question
Download Solution PDFএকটি সাধারণ বহুভুজের প্রতিটি অন্তঃস্থ কোণ 135° হলে, বহুভুজের কর্ণের সংখ্যা নির্ণয় করুন।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFসাধারণ বহুভুজের প্রতিটি অন্তঃস্থ কোণ 135°,
⇒ বহিঃস্থ কোণ = 180 ° - অন্তঃস্থ কোণ = 45°
⇒ বহুভুজের বাহুর সংখ্যা = 360°/বহিঃস্থ কোণ = 8
∴ কর্ণের সংখ্যা = n(n - 3)/2 = 8 × (8 - 3)/2 = 20, এখানে n একটি বহুভুজের বাহুর সংখ্যা।
Last updated on Jun 2, 2025
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