alleryএকটি ব্যাসার্ধ-6 cm গোলকটি ব্যাসার্ধ 2 cm এবং উচ্চতা 3 cm ব্যাসার্ধের শঙ্কুতে গলে গেছে, কোন ক্ষতি ছাড়াই। কয়টি শঙ্কু?
A72
B36
C48
D24
Answer & Solution
Correct answer: A. 72
গোলকের আয়তন আছে 288π সেমি ³ এবং প্রতিটি শঙ্কু 4π সেমি ³, তাই 72 গঠিত হয়।
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