alleryৰম্বছৰ তিৰ্যক 16 চে.মি. আৰু 30 চে.মি. ইয়াৰ ক্ষেত্ৰফল আৰু পৰিধি কিমান?
A240 cm²; 64 cm
B480 cm²; 68 cm
C480 cm²; 92 cm
D240 cm²; 68 cm
Answer & Solution
Correct answer: D. 240 cm²; 68 cm
ক্ষেত্ৰফল 16×30/2 = 240 চে.মি. ²;
লম্ব অৰ্ধ-তিৰ্যক 8 আৰু 15, যাৰ ফলত প্ৰতিটো ফাল 17 আৰু পৰিধি 68 চে.মি.
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