allerypi = 22/7 ধরে, 7 cm ব্যাসার্ধ এবং 10 cm উচ্চতাবিশিষ্ট একটি চোঙের আয়তন নির্ণয় করুন।
A440 cm³
B1540 cm³
C1100 cm³
D770 cm³
Answer & Solution
Correct answer: B. 1540 cm³
আয়তন হল pi r squared h = (22/7) x 49 x 10 = 1540 cubic centimetres।
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