If a rectangular sheet is folded along its length to cover the curved surface of the cylinder with radius R and height H, then find the length and breadth of the rectangular sheet.
$[2 M a r k s]$

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Solution

Length of the rectangular sheet = Circumference of the cross-section of the cylinder
$= 2 π R$
$[1 M a r k]$
Breadth of the rectangular sheet = Height of the cylinder
$= H$
$[1 M a r k]$

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If a rectangular sheet is folded along its length to cover the curved surface of the cylinder with radius R and height H, then find the length and breadth of the rectangular sheet. [2 Marks]

Length of the rectangular sheet = Circumference of the cross-section of the cylinder =2πR [1 Mark] Breadth of the rectangular sheet = Height of the cylinder =H [1 Mark]

If a rectangular sheet is folded along its length to cover the curved surface of the cylinder with radius R and height H, then find the length and breadth of the rectangular sheet.
$[2 M a r k s]$

Length of the rectangular sheet = Circumference of the cross-section of the cylinder
$= 2 π R$
$[1 M a r k]$
Breadth of the rectangular sheet = Height of the cylinder
$= H$
$[1 M a r k]$