Answer
$0.24$ $m^{2}$
Work Step by Step
$A(s)$ = $s^{2}$
$A'(s)$ = $2s$
$A'(s)$ = $\frac{ΔA}{Δs}$
$ΔA$ = $A'(s)Δs$
$ΔA$ = $2\times6\times0.02$ = $0.24$ $m^{2}$
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