alleryएका पोकळ पाईपची बाह्य त्रिज्या 8 cm, आतील त्रिज्या 7 cm आणि लांबी 14 cm आहे. त्यातील द्रव्याचे घनफळ काढा (pi = 22/7).
A1320 cm³
B330 cm³
C660 cm³
D2156 cm³
Answer & Solution
Correct answer: C. 660 cm³
घटकाचे घनफळ = π(64 - 49) × 14 = (22/7)(15)(14) = 660 cm³ आहे.
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