How to calculate the surface area of the rebar?
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Fasi Ur Rahman
Calculation of the surface area of the rebar-
Considering the dia of rebar as 16mm and length as 1m.
Surface area= Length x Circumference of the bar (Considering bar having smooth surface)
= 1 x 2 π r
= 1 x (2 x 3.142 x 0.008)