alleryউচ্চতার একটি ত্রিভুজ 8 m সমান একটি 12 m by 5 m ক্ষেত্রফল; তার ভিত্তি?
A7.5 m
B20 m
C30 m
D15 m
Answer & Solution
Correct answer: D. 15 m
ত্রিভুজের ভিত্তি হল 2 × (12 × 5) ÷ 8 = 15 মি.
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