Expression 1: polygon left parenthesis, left parenthesis, 0 , 0 , right parenthesis , left parenthesis, 2 , 0 , right parenthesis , left parenthesis, 2 , 6 , right parenthesis , left parenthesis, 0 , 12 , right parenthesis , right parenthesispolygon0,0,2,0,2,6,0,12