allery8 m উচ্চতাৰ ত্ৰিভুজ এটা ক্ষেত্ৰফলত 12 m বা 5 m প্লটৰ সমান; ইয়াৰ ভিত্তি?
A7.5 m
B20 m
C30 m
D15 m
Answer & Solution
Correct answer: D. 15 m
ত্ৰিভুজৰ ভিত্তি 2 × (12 × 5) ÷ 8 = 15 মি.
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