allery7 cm त्रिज्या वाले एक शंकु का आयतन 154 cm³ है (pi = 22/7)। इसकी ऊँचाई क्या है?
A6 cm
B1 cm
C9 cm
D3 cm
Answer & Solution
Correct answer: D. 3 cm
(1/3)(22/7)(49)h = 154 से हमें (154/3)h = 154 प्राप्त होता है, इसलिए h = 3 cm है।
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