alleryএকটি আয়তাকার হলের দৈর্ঘ্য 12 m এবং প্রস্থ 9 m। এর মেঝের ক্ষেত্রফল কত?
A42 m²
B21 m²
C96 m²
D108 m²
Answer & Solution
Correct answer: D. 108 m²
আয়তক্ষেত্রের ক্ষেত্রফল হল দৈর্ঘ্য গুণ প্রস্থ, সুতরাং 12 x 9 = 108 square metres।
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