6/5=6+0.5=6+½+=6½
6½ is the answer
The area of the rectangle is 128 ft. the area of the triangle is 12ft. together, it’s 140 ft.
Answer:

Note:
Three-tenths reapeating is 
(csc x-1)(csc x+1)=csc²x-1²=csc²x-1=(1/sin x)² -1=1/sin x² - sin²x/sin²x=
=(1-sin²x)/sin² x = cos² x/ sin² x = (cos x/sin x)²= (cot x)²