find the length and breadth of a cardboard required to roll and make a cylinder(hollow without top or bottom) of radius as 14cm and height 40cm

breadth = height = 40 cm

and circumference = length = 2 * 22 / 7 *14 = 88 cm ...

breadth = 40 cm

and length = 88 cm ...

Posted byChaitrali(student) 19 hours, 16 minutes ago

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Posted byChaitrali(student) 19 hours, 12 minutes ago

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Posted byChaitrali(student) 19 hours, 11 minutes ago

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yutruj
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Q - find the length and breadth of a cardboard required to roll and make a cylinder(hollow without top or bottom) of radius as 14cm and height 40cm
Ans: the length of the cardboard will become the circumference of the cylinder.
Th breadth will become the height  of cylinder
So, length = 2TTr
l = 2 * 22/7 * 14 = 88cm
Breadth = height = 40cm
therefore, the length and breadth of the cardboard required is 88cm and 40 cm.

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