What is the total perimeter of this figure? express your answer in feet. 64.26 ft 49.26 ft 76.26 ft 104.52 ft

We know that
perimeter of the figure=perimeter of semi circle+perimeter of rectangle
so
perimeter of semicircle=2*pi*r/2> pi*r
diameter=6 yd
radius r=6/2> r=3 yd

convert to ft
1 yd > is equal to 3 ft
3 yd> x
x=3*3> x=9 ft
so 
diameter=18 ft
radius=9 ft
perimeter of semicircle=pi*9> 28.26 ft

perimeter of rectangle=18+15+15> 48 ft

perimeter of the figure=28.26 ft+48 ft> 76.26 ft

the answer is
76.26 ft