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#31041 Bangla Language & Literature বৃত্ত Level 0

r ব্যাসার্ধ বিশিষ্ট বৃত্তের ক্ষেত্রফল b ভূমি বিশিষ্ট আয়তক্ষেত্রের সমান হলে আয়তক্ষেত্রের উচ্চতা কত?

  1. A π/b
  2. B πr/b
  3. C πr2/b
  4. D πr2/b2
Answer: C - πr2/b

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