alleryশংকুৰ দৰে ছাঁৰ ব্যাসাৰ্ধ 7 চে.মি. আৰু হেলনীয়া উচ্চতা 15 চে.মি.; কাপোৰৰ ঠাই? π = 22/7।
A330 cm²
B484 cm²
C154 cm²
D660 cm²
Answer & Solution
Correct answer: A. 330 cm²
ছাঁটোৰ বাবে পাৰ্শ্বীয় কাপোৰৰ ক্ষেত্ৰফল (22/7) × 7 × 15 = 330 cm²
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