Given the task definition and input, reply with output. 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: what is the area of a circle having the same perimeter as that of a square whose area is 121 .
Options: ['a ) 306', 'b ) 307', 'c ) 308', 'd ) 309', 'e ) 310']
c