Problem: a square and an equilateral triangle have the same perimeter . what is the ratio of the area of the circle circumscribing the square to the area of the circle inscribed in the triangle ? 
Options: ['a ) 9 : 8', 'b ) 15 : 8', 'c ) 27 : 8', 'd ) 8 : 9', 'e ) 8 : 15']
c