allery330 `cm²` ক্ষেত্ৰফলৰ এটা মোজাইকত সমান্তৰাল চতুৰ্ভুজ আকৃতিৰ টাইলছ ব্যৱহাৰ কৰা হয়। প্ৰতিটো টাইলছৰ ভিত্তি 11 চে.মি. আৰু লম্ব উচ্চতা 6 চে.মি. কিমান টাইলৰ প্ৰয়োজন?
A3
B6
C4
D5
Answer & Solution
Correct answer: D. 5
প্ৰতিটো টাইলেই `11 × 6 = 66` `cm²` সামৰি লয়, গতিকে মোজাইকটোৰ বাবে 330 ÷ 66 = 5 টা টাইলৰ প্ৰয়োজন হয়।
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