alleryএকটি ফাঁপা পাইপের বহির্ব্যাসার্ধ 8 cm, অন্তর্ব্যাসার্ধ 7 cm এবং দৈর্ঘ্য 14 cm। এর উপাদানের আয়তন নির্ণয় করুন (pi = 22/7)।
A1320 cm³
B330 cm³
C660 cm³
D2156 cm³
Answer & Solution
Correct answer: C. 660 cm³
আয়তন হলো pi (64 - 49) x 14 = (22/7)(15)(14) = 660 cubic centimetres।
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