alleryपोकळ नळयेची भायली त्रिज्या 8 सेंमी., भितरली त्रिज्या 7 सेंमी.आनी लांबाय 14 सेंमी. ताचें पदार्थाचें प्रमाण (pi = 22/7) सोदून काडात.
A1320 cm³
B330 cm³
C660 cm³
D2156 cm³
Answer & Solution
Correct answer: C. 660 cm³
खंड pi (64 - 49) x 14 = (22/7)(15)(14) = 660 घन सेंटमीटर आसा.
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