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

Example Input: Problem: the ratio between the perimeter and the width of a rectangle is 5 : 1 . if the area of the rectangle is 54 square centimeters , what is the length of the rectangle in centimeters ? 
Options: a ) 6 , b ) 7 , c ) 8 , d ) 9 , e ) 10
Example Output: d

Example Input: Problem: the radius of a cylindrical vessel is 7 cm and height is 6 cm . find the whole surface of the cylinder ? 
Options: a ) 281 , b ) 771 , c ) 440 , d ) 767 , e ) 572
Example Output: e

Example Input: Problem: find the area of a rhombus one side of which measures 20 cm and one diagonal is 28 cm . 
Options: ['a ) 200 cm 2', 'b ) 300 cm 2', 'c ) 400 cm 2', 'd ) 448 cm 2', 'e ) 100 cm 2']
Example Output:
d