Question
Download Solution PDFদুটি সম্পূরক কোণের মধ্যে বৃহত্তর কোণটি ছোট কোণটির চেয়ে 28° বেশি। ছোট কোণটি (ডিগ্রিতে) হল:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
দুটি কোণ সম্পূরক, এবং বৃহত্তর কোণটি ছোট কোণটির চেয়ে 28° বেশি।
ব্যবহৃত সূত্র:
যদি দুটি কোণ সম্পূরক হয়, তবে তাদের যোগফল 180°.
ধরা যাক, ছোট কোণটি x.
বৃহত্তর কোণ = x + 28°
গণনা:
কোণগুলির যোগফল = x + (x + 28°) = 180°
⇒ 2x + 28 = 180
⇒ 2x = 180 - 28
⇒ 2x = 152
⇒ x = 76°
∴ সঠিক উত্তর হল বিকল্প (4).
Last updated on Jul 19, 2025
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