Triangle qrs is similar to triangle tuv. using the image below, prove that lines rs and uv have the same slope. you must show all of your work to receive credit. triangles qrs and tuv are shown. q is at negative 2, 1. r is at negative 2, 7. s is at negative 8, 1. t is at 4, 2.u is at 4, 5. v is at 1, 2.