alleryএকটি ত্রিভুজাকার ব্যানারের ক্ষেত্রফল রয়েছে 72 cm² এবং ভিত্তি 16 cm; তার উচ্চতা?
A4.5 cm
B8 cm
C9 cm
D12 cm
Answer & Solution
Correct answer: C. 9 cm
উচ্চতা হল (2 × 72) ÷ 16 = 9 সেমি।
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