the diameter of the base of the right circular cylinder is 4.2 decimeter and its height is 1 decameter find the area of the curved surface in centimetre square
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Deci meter =10cm
Deca meter =1000cm
πrh =
22/7*21*1000
22*3*1000
66000cm^2
Deca meter =1000cm
πrh =
22/7*21*1000
22*3*1000
66000cm^2
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