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A cylinder made of metal has radius 18 cm and height 40 cm. When this melts how many cylinders can be made of radius 2 cm and height 5 cm? |
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Answer» Volume of the first cylinder = π r2 H = π (18)2 × 40 = 12960 π cm3 Volume of the newly made cylinder = π (2)2 × 5 = 20π cm3 Number of the new fly made cylinders = \(\frac{12360\pi}{20\pi}\) = 648 cylindres |
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