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)

**=0.05 Sqm**

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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)

**=0.05 Sqm**