A rectangular piece of tin of size 30*18 is rolled in 2 ways . once along the length and then along the breath. Find the ratio of volume of 2 cylinder so formed.
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when the rectangular piece is rolled along length, then the volume=πr²h
=π×r×r×h
=9×9×7/22×30
=(567/22)×30
17010/22
also,when the rectangular piece is rolled along width=πr²h
=π×r×r×h
=(15×15×7/22)×18
(225×7/22)×18
28350/22
the ratio=1701/2835
1701:2835
=π×r×r×h
=9×9×7/22×30
=(567/22)×30
17010/22
also,when the rectangular piece is rolled along width=πr²h
=π×r×r×h
=(15×15×7/22)×18
(225×7/22)×18
28350/22
the ratio=1701/2835
1701:2835
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