copperfir10 copperfir10 13-05-2020 Mathematics contestada 50 POINTS Which expression is equivalent to the area of metal sheet required to make this square-shaped traffic sign? A square shaped traffic sign is shown with length of one side labeled as x plus 1. a x^2+xX1 b x^2+2x+1 c x^2+1 d x^2+2x