A rectangular strip of aluminum, 30 cm long and 10 cm wide, is rolled into the form of a cylinder. Which would have the greater volume, a cylinder 10 cm high with a circumference of 30 cm or a cylinder 30 cm high with a circumference of 10 cm?
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Answer:
The circumference is 30cm(length of paper)
Height is 10cm(width of the paper)
Circumference =2*pie*radius
Therefore- 30= 2*22/7*r
30*7=44r
Radius =270/44=4.7
Volume=pie*square of radius*height
Volume=22/7*(4.7)whole square*10
Volume=695.25
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