Hidden Label: left parenthesis, "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesisx1,y1
Label
2
Hidden Label: left parenthesis, 5 minus "x" Subscript, 1 , Baseline , 5 minus "y" Subscript, 1 , Baseline , right parenthesis5−x1,5−y1
Label
3
Expression 4: polygon left parenthesis, 5 minus "x" Subscript, 1 , Baseline , 5 minus "y" Subscript, 1 , Baseline , right parenthesispolygon5−x1,5−y1