alleryএকটি অংশ যা সমগ্র অংশের Q ভগ্নাংশ, তার কেন্দ্রীয় কোণ কত?
AQ কে 360 দ্বারা ভাগ
BQ যোগ 360
C180Q ডিগ্রি
D360Q ডিগ্রি
Answer & Solution
Correct answer: D. 360Q ডিগ্রি
বৃত্তের সম্পূর্ণ 360 ডিগ্রি দিয়ে ভগ্নাংশটিকে গুণ করলে সেই অংশের কোণ পাওয়া যায়।
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