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

Input: Consider Input: Problem: what is the measure of the angle e made by the diagonals of the any adjacent sides of a cube .
Options: ['a ) 30', 'b ) 45', 'c ) 60', 'd ) 75', 'e ) 90']

Output: c

Input: Consider Input: Problem: the area of the square formed on the diagonal of a rectangle as its side is 108 1 / 3 % more than the area of the rectangle . if the perimeter of the rectangle is 28 units , find the difference between the sides of the rectangle ?
Options: ['a ) 5', 'b ) 4', 'c ) 7', 'd ) 2', 'e ) 1']

Output: d

Input: Consider Input: Problem: a cubical block of metal weighs 3 pounds . how much will another cube of the same metal weigh if its sides are twice as long ?
Options: a ) 48 , b ) 32 , c ) 24 , d ) 18 , e ) 12
Output: c