Problem: in a rectangular coordinate system , what is the area of a rhombus whose vertices have the coordinates ( 0 , 5.5 ) , ( 8 , 0 ) , ( 0 , - 5.5 ) , ( - 8 , 0 ) ? 
Options: ['a ) 56', 'b ) 88', 'c ) 112', 'd ) 116', 'e ) 120']
b