a rectangular sheet length is 22m.and width is 10m.if we formed cylinder withthis sheet find the lateral surface area and volume?
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harikaphani152:
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H=10 after role to form cylinder
i.e 22is equal to 2 Pi R or circumference
Therefore 2*22/7*r=22
R=3.5
LSA of cylinder =2*22/7*3.5*10
=2*22 *5
=44*5
=220cm sq
Volume of cylinder =22/7*3.5*3.5*10
=22*0.5*35
=11*35
=385cm cube
i.e 22is equal to 2 Pi R or circumference
Therefore 2*22/7*r=22
R=3.5
LSA of cylinder =2*22/7*3.5*10
=2*22 *5
=44*5
=220cm sq
Volume of cylinder =22/7*3.5*3.5*10
=22*0.5*35
=11*35
=385cm cube
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