True or False? In the coordinate plane, the vertices of triangle RST are R (6,- 1), S (1, -4), and T (-5, 6). A student claims that if he plots point P (1, 8), he will end up creating a rectangle. Is his claim true or false? Explain your reasoning. YA of -10 -9 - 8 -7 -6 1 2 3 10 X 10