1.

A rectangular sheet paper 44 cmx 18 cm is rolledalong its length and a cylinder is formed. Find thevolume of the cylinder.

Answer»

Length of the sheet = circumference of cylinder base2*pi*r=44cm2*22/7*r=44r=(44*7)/(2*22)r=7cmthereforecylinder radius=r=7cmheight of the cylinder=breadth of the rectangleh=18cmvolume of the cylinder =pi*r^2*h=22/7*7*7*18=22*7*18=2772cm^3



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