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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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Answer» Step-by-step explanation: Volume of cylinder =πr 2 h =π×3×3×1cm 3
Volume of SPHERE = 3 4
πr 3 = 3 4
( 3 1
) 3
= 3 4
π× 8 1
= 6 π
cm 3
∴ NUMBER of sphere= π π×3×3×10×6
=540 |
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