alleryএকটি রম্বসের কর্ণদ্বয়ের পরিমাপ 16 cm এবং 30 cm। এর ক্ষেত্রফল কত?
A120 cm²
B46 cm²
C480 cm²
D240 cm²
Answer & Solution
Correct answer: D. 240 cm²
রম্বসের ক্ষেত্রফল হলো এর কর্ণদ্বয়ের গুণফলের অর্ধেক, সুতরাং 0.5 x 16 x 30 = 240 square centimetres।
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