Answer:
40.56 ft
Step-by-step explanation:
Diameter of semicircle = 8 ft
Radius of semicircle r = 8/2 = 4 ft
Perimeter of figure
[tex] = 8 + 10 + 10 +\frac{1}{\cancel{2}}\times \cancel{2}\pi r \\ \\ = 28 + 3.14 \times 4 \\ \\ = 28 + 8 \times 3.14 \\ \\ = 28 + 12.56 \\ \\ = 40.56 \: ft[/tex]
