ABCD একটি সামন্তরিক। BD এর দৈর্ঘ্য = 2। BCD ত্রিভুজের সকল কোণ সমান। সামন্তরিকটির পরিসীমা কত?
A. 3√3
B. 8
C. 9√3
D. 12
সঠিক উত্তরঃ
C.
9√3
Explanation:
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