In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: 34 . the side surface of a cylinder is rolled with a rectangle . if the height of a cylinder is 16 feet and the perimeter of the circular base . is 12 feet , what is the diagonal of the rectangle ? 
Options: ['a ) 16', 'b ) 20', 'c ) 18', 'd ) 22', 'e ) 21']
[EX A]: b

[EX Q]: Problem: the area of a triangle is with base 4 m and height 6 m ? 
Options: a ) 11 m 2 , b ) 10 m 2 , c ) 18 m 2 , d ) 19 m 2 , e ) 12 m 2
[EX A]: e

[EX Q]: Problem: what is the area of square field whose side of length 7 m ? 
Options: a ) 225 , b ) 662 , c ) 772 , d ) 882 , e ) 49
[EX A]:
e