alleryএকটি বন্ধ সিলিন্ডারের ব্যাসার্ধ 7 cm এবং মোট ক্ষেত্রফল 968 cm²; এর আয়তন? π = 22/7।
A4620 cm³
B1540 cm³
C3388 cm³
D2310 cm³
Answer & Solution
Correct answer: D. 2310 cm³
যেহেতু 44(7 + h) = 968 দেয় h = 15 সেমি, আয়তন হল (22/7) × 7² × 15 = 2310 cm ³।
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