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#33175 Bangla Language & Literature বৃত্ত Level 0

বৃত্তকলার ক্ষেত্রফল কোনটি সঠিক?

  1. A θ/180 Πr² বর্গ একক
  2. B θ/210 Πr² বর্গ একক
  3. C θ/360 Πr² বর্গ একক
  4. D θ/90 Πr² বর্গ একক
Answer: C - θ/360 Πr² বর্গ একক

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