Find the area of the shaded triangle if the side of each small square is $1 \mathrm{cm}$. If the final answer is $\mathrm{x} {\mathrm{cm}}^2$, then find the value of $\mathrm{x}$.

If the area of the shaded triangle is $\mathrm{k}$ $\mathrm{sq}.\mathrm{cm}$, and the side of each small square is $1 \mathrm{cm}$. Find the value of $\mathrm{k}$.

If the area of the shaded triangle is $\mathrm{k} {\mathrm{cm}}^2$ and if the side of each small square is $1 \mathrm{cm}$. Find the value of $\mathrm{k}$.