How many cylinders of radius 3 cm and height 6 cm can be formed by melting sphere whose radius is 9 cm
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Step-by-step explanation:
No. of cylinders
= Volume of sphere / volume of each cylinder
= 4/3 × pi × r^3 /pi × r^2 × h
= 4 × 9^3 / 3 × 3^2 × 6
= 18
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