[tex]\text{Area of the rectangle = 16}\times9=144\operatorname{mm}[/tex][tex]\begin{gathered} diameter\text{ of the semi circle = 16mm} \\ \Rightarrow\text{radius = 8mm} \\ \text{Area of the semicircle = }\frac{1}{2}\times\pi\times8^2=0.5\times3.14\times64=100.48\operatorname{mm} \end{gathered}[/tex][tex]\text{The total area = 144+100.48=244.48 mm}^2[/tex]
The area is 244.48 square meters
Third option is correct