Step 1
Given;
[tex]\begin{gathered} width=5.4cm \\ length=2cm \end{gathered}[/tex]Required; To find the area of the triangle
Step 2
State the area of a triangle
[tex]\begin{gathered} A=\frac{1}{2}\text{ base x height} \\ A=\frac{1}{2}\times5.4\times2 \\ A=5.4cm^2 \end{gathered}[/tex]Answer;
[tex]Area=5.4cm^2[/tex]