Step-by-step explanation:
Area of Rectangle+ Area of semi-circle = Total area of composite figure
Area of rectangle = l*b = 12*16 ft² = 192 ft²
Area of semi circle = 1/2* π* r² = 1/2*3.14*6²= 56.52 ft
Total area = 192+56.52 = 248.5 ft²
Total Perimeter = 16*2 + 12+π*12 = 81.7 ft