Question
Download Solution PDFO, PQR ত্রিভুজের অন্তঃকেন্দ্র। যদি কোণ POR = 140 ডিগ্রি হয়, তাহলে কোণ PQR কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
POR = 140 ডিগ্রি
ব্যবহৃত ধারণা:
একটি ত্রিভুজের অন্তর্কেন্দ্র ত্রিভুজের সকল বাহুর দিকে সমানভাবে আনত থাকে।
অন্তঃকেন্দ্রে কোণ = 90° + শীর্ষ কোণ/2
গণনা:
ধারণা অনুযায়ী,
90° + ∠PQR/2 = 140°
⇒ ∠PQR/2 = 140° - 90°
⇒ ∠PQR/2 = 50°
⇒ ∠PQR = 100°
∴ কোণ PQR 100°
Last updated on Jun 13, 2025
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