Answer:
[tex]41.1units^2[/tex]
Step-by-step explanation:
[tex]A=\frac{h_{b}b }{2} \\=\frac{8*4}{2} \\=16units^2[/tex](triangle)
[tex]A=\frac{\pi r^2}{2}\\\frac{\pi 4^2}{2}\\=25.13units^2[/tex](semicircle)
Add both together
[tex]16+25.13\\=41.13units^2[/tex]