allery7 cm ব্যাসাৰ্ধৰ এটা শঙ্কুৰ আয়তন 154 cm³ (pi = 22/7)। ইয়াৰ উচ্চতা কিমান?
A6 cm
B1 cm
C9 cm
D3 cm
Answer & Solution
Correct answer: D. 3 cm
(1/3)(22/7)(49)h = 154 ৰ পৰা আমি পাওঁ (154/3)h = 154, গতিকে h = 3 cm।
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