Q: In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
Problem: the volume of the largest right circular cone that can be cut out of a cube of edge 7 cm is :
Options: ['a ) 89.8 cm ', 'b ) 92.5 cm ', 'c ) 132.8 cm ', 'd ) 144.5 cm ', 'e ) none']
A:
a