a cylindrical pillar is 1m in diameter and 4.2 meter in height find its csa
ignore this because of the 20 character thing
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Step-by-step explanation:
Curved surface area of cylinder
= 2*pi*r*h
r = 1/2 m, h = 4.2 m
= 2*(22/7)*(1/2)**4.2
= 22*(.6)
= 13.2 m^2
hope it helps
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