instruction:
In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
question:
Problem: a rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered . if the area of the field is 256 sq . feet , how many feet of fencing will be required ? 
Options: a ) 45.6 , b ) 40 , c ) 68 , d ) 88 , e ) 92
answer:
a


question:
Problem: a box measuring 25 inches long by 30 inches wide by 15 inches deep is to be filled entirely with identical cubes . no space is to be left unfilled . what is the smallest number of cubes that can accomplish this objective ? 
Options: a ) 80 , b ) 82 , c ) 84 , d ) 88 , e ) 90
answer:
e


question:
Problem: if a rectangular billboard has an area of 120 square feet and a perimeter of 46 feet , what is the length of each of the shorter sides ? 
Options: a ) 4 , b ) 7 , c ) 8 , d ) 13 , e ) 26
answer:

c