alleryদুটি পূরক কোণের অনুপাত 4 : 5। বৃহত্তর কোণটি হলো
A50 ডিগ্রি
B54 ডিগ্রি
C45 ডিগ্রি
D40 ডিগ্রি
Answer & Solution
Correct answer: A. 50 ডিগ্রি
পূরক কোণগুলির মোট মান 9টি অংশে 90 degrees হয়, সুতরাং বৃহত্তর কোণটি হলো 5 x 10 = 50 degrees।
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