একটি সমদ্বিবাহু সমকোণী ত্রিভুজের সমান বাহুদ্বয়ের দৈর্ঘ্য 10 একক হলে ত্রিভুজটির ক্ষেত্রফল কত বর্গ একক?
A. 50
B. 49
C. 100
D. 81
সঠিক উত্তরঃ
A.
50
Explanation:
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