allerypi = 22/7 ধরে, 7 cm ব্যাসার্ধ এবং 10 cm উচ্চতা বিশিষ্ট একটি চোঙের আয়তন নির্ণয় করুন।
A1540 cu cm
B1100 cu cm
C1760 cu cm
D3080 cu cm
Answer & Solution
Correct answer: A. 1540 cu cm
আয়তন হলো pi r squared h = 22/7 x 49 x 10 = 1540 cubic centimetres।
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