A rectangular sheet of sheet of paper is rolled in two different ways to form two different cylinder. find the volume of cylinder in each case if the sheet measure 44cm×33cm
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0
Answer:
volume of cylinder =πr2h
- 22÷7×44×33
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5
1 way is
height = 44cm
circumference = 33cm
radius = ?
C = 2πR
33cm = 2 X 22/7 X R
33cm = 44/7 X R
R = 33cm X 7/44
R = 5.25 cm
Therefore, the volume of the cylinder would be
πR² H
= 22/7 X 5.25² 44cm
= 3811.5 cm³
Another way is
height = 33cm
circumference = 44cm
radius = ?
C = 2πR
44cm = 2 X 22/7 X R
44cm = 44/7 X R
R = 44cm X 7/44
R = 7cm
Therefore, the volume of the cylinder would be
πR² H
= 22/7 X 49 X 33
= 5028 cm³
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