alleryট্ৰেপেজিয়ামৰ সমান্তৰাল বাহু 18 মিটাৰ আৰু 30 মিটাৰ, উচ্চতা 10 মিটাৰ। পকীকৰণৰ খৰচ প্ৰতি m²ত ₹12। মুঠ খৰচ?
A₹2160
B₹2880
C₹3600
D₹5760
Answer & Solution
Correct answer: B. ₹2880
ক্ষেত্ৰফল হ’ল (18+30)×10/2 = 240 m²;
পকীকৰণৰ খৰচ 240×₹12 = ₹2880।
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