a rectangular sheet of tin of length 44cm and width 20 cm is rolled along it's width toake a cylinder . capacity of the cylinder so formed in litres will be
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capacity is 3080 cm^3
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2πr = 20
22/7 ×r = 10
r = 70/22 = 35/11
capacity = 22/7×35/11×35/11×44
= 1400cm³
in litres = 1400/1000
= 1.4 litres ans.
22/7 ×r = 10
r = 70/22 = 35/11
capacity = 22/7×35/11×35/11×44
= 1400cm³
in litres = 1400/1000
= 1.4 litres ans.
Rahulpoddar:
see the questions correctly it is saying along the width means parallel to width
have you got it
please clarify it
we know by physics along means parallel
there is same concept in both have you not study vector in physics as well as mathematics these prove that concept never change
in which book
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