enter your answers in the boxes.the coordinates of    square  abcd  are  a(0,  0)  ,  b(a,  0)  ,  c(,  a), and    d(0,  ).the slope of  ac¯¯¯¯¯  , when simplified, is equal to  .the slope of  bd¯¯¯¯¯, when simplified, is equal to  −1  .the product of the slopes is equal to  .therefore,  ac¯¯¯¯¯  is perpendicular to  bd¯¯¯¯¯.complete the coordinate proof of the theorem.