$3.)$ From the following cross$-$section notes for a road grading work.

$\backslash$table$[[$Y$,+4\mathrm{.}0,+2\mathrm{.}0,$X$],[9\mathrm{.}0,4\mathrm{.}5,4\mathrm{.}5,+1\mathrm{.}0]]$

The road bed is $9$ m wide and the side slope for cut is $1$:$1$ and for fill is $1\mathrm{.}5$:$1.$ Determine the area of cut of the section Ans. $9\mathrm{.}4018m$