alleryಪೂರ್ಣ ಸಿಲಿಂಡರ್ (r=6,h=8 cm) ಅದೇ r,h ನ ಘನ ಕೋನ್ ಅನ್ನು ಹೊಂದಿರುತ್ತದೆ. ಅದರ ನೀರನ್ನು ಸಿಲಿಂಡರ್ಗೆ ಸುರಿಯಿರಿ r=4 cm. ಹೊಸ ಆಳ?
A12 cm
B8 cm
C6 cm
D18 cm
Answer & Solution
Correct answer: A. 12 cm
ನೀರಿನ ಪ್ರಮಾಣ π×6²×8 −
(1/3)π×6²×8 = 192π cm ³;
ಬೇಸ್ ಏರಿಯಾ 16π ನಿಂದ ಭಾಗಿಸುವುದರಿಂದ ಆಳ 12 cm ಸಿಗುತ್ತದೆ.
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